646631232

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:257

約数の個数: 224

約数和(自身を含む): 1947208704

約数和(自身を除く): 1300577472

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 61, 62, 64, 78, 93, 96, 104, 122, 124, 137, 156, 183, 186, 192, 208, 244, 248, 274, 312, 366, 372, 403, 411, 416, 488, 496, 548, 624, 732, 744, 793, 806, 822, 832, 976, 992, 1096, 1209, 1248, 1464, 1488, 1586, 1612, 1644, 1781, 1891, 1952, 1984, 2192, 2379, 2418, 2496, 2928, 2976, 3172, 3224, 3288, 3562, 3782, 3904, 4247, 4384, 4758, 4836, 5343, 5673, 5856, 5952, 6344, 6448, 6576, 7124, 7564, 8357, 8494, 8768, 9516, 9672, 10686, 11346, 11712, 12688, 12741, 12896, 13152, 14248, 15128, 16714, 16988, 19032, 19344, 21372, 22692, 24583, 25071, 25376, 25482, 25792, 26304, 28496, 30256, 33428, 33976, 38064, 38688, 42744, 45384, 49166, 50142, 50752, 50964, 55211, 56992, 60512, 66856, 67952, 73749, 76128, 77376, 85488, 90768, 98332, 100284, 101928, 108641, 110422, 113984, 121024, 133712, 135904, 147498, 152256, 165633, 170976, 181536, 196664, 200568, 203856, 217282, 220844, 259067, 267424, 271808, 294996, 325923, 331266, 341952, 363072, 393328, 401136, 407712, 434564, 441688, 518134, 534848, 589992, 651846, 662532, 777201, 786656, 802272, 815424, 869128, 883376, 1036268, 1179984, 1303692, 1325064, 1554402, 1573312, 1604544, 1738256, 1766752, 2072536, 2359968, 2607384, 2650128, 3108804, 3367871, 3476512, 3533504, 4145072, 4719936, 5214768, 5300256, 6217608, 6735742, 6953024, 8290144, 10103613, 10429536, 10600512, 12435216, 13471484, 16580288, 20207226, 20859072, 24870432, 26942968, 40414452, 49740864, 53885936, 80828904, 107771872, 161657808, 215543744, 323315616, 646631232]

約数ペア:

[(1, 646631232), (2, 323315616), (3, 215543744), (4, 161657808), (6, 107771872), (8, 80828904), (12, 53885936), (13, 49740864), (16, 40414452), (24, 26942968), (26, 24870432), (31, 20859072), (32, 20207226), (39, 16580288), (48, 13471484), (52, 12435216), (61, 10600512), (62, 10429536), (64, 10103613), (78, 8290144), (93, 6953024), (96, 6735742), (104, 6217608), (122, 5300256), (124, 5214768), (137, 4719936), (156, 4145072), (183, 3533504), (186, 3476512), (192, 3367871), (208, 3108804), (244, 2650128), (248, 2607384), (274, 2359968), (312, 2072536), (366, 1766752), (372, 1738256), (403, 1604544), (411, 1573312), (416, 1554402), (488, 1325064), (496, 1303692), (548, 1179984), (624, 1036268), (732, 883376), (744, 869128), (793, 815424), (806, 802272), (822, 786656), (832, 777201), (976, 662532), (992, 651846), (1096, 589992), (1209, 534848), (1248, 518134), (1464, 441688), (1488, 434564), (1586, 407712), (1612, 401136), (1644, 393328), (1781, 363072), (1891, 341952), (1952, 331266), (1984, 325923), (2192, 294996), (2379, 271808), (2418, 267424), (2496, 259067), (2928, 220844), (2976, 217282), (3172, 203856), (3224, 200568), (3288, 196664), (3562, 181536), (3782, 170976), (3904, 165633), (4247, 152256), (4384, 147498), (4758, 135904), (4836, 133712), (5343, 121024), (5673, 113984), (5856, 110422), (5952, 108641), (6344, 101928), (6448, 100284), (6576, 98332), (7124, 90768), (7564, 85488), (8357, 77376), (8494, 76128), (8768, 73749), (9516, 67952), (9672, 66856), (10686, 60512), (11346, 56992), (11712, 55211), (12688, 50964), (12741, 50752), (12896, 50142), (13152, 49166), (14248, 45384), (15128, 42744), (16714, 38688), (16988, 38064), (19032, 33976), (19344, 33428), (21372, 30256), (22692, 28496), (24583, 26304), (25071, 25792), (25376, 25482)]