646222528

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 168

約数和(自身を含む): 1614220800

約数和(自身を除く): 967998272

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 56, 62, 64, 76, 79, 112, 124, 133, 152, 158, 217, 224, 248, 266, 304, 316, 434, 448, 496, 532, 553, 589, 608, 632, 868, 961, 992, 1064, 1106, 1178, 1216, 1264, 1501, 1736, 1922, 1984, 2128, 2212, 2356, 2449, 2528, 3002, 3472, 3844, 4123, 4256, 4424, 4712, 4898, 5056, 6004, 6727, 6944, 7688, 8246, 8512, 8848, 9424, 9796, 10507, 12008, 13454, 13888, 15376, 16492, 17143, 17696, 18259, 18848, 19592, 21014, 24016, 26908, 30752, 32984, 34286, 35392, 36518, 37696, 39184, 42028, 46531, 48032, 53816, 61504, 65968, 68572, 73036, 75919, 78368, 84056, 93062, 96064, 107632, 127813, 131936, 137144, 146072, 151838, 156736, 168112, 186124, 215264, 255626, 263872, 274288, 292144, 303676, 325717, 336224, 372248, 430528, 511252, 531433, 548576, 584288, 607352, 651434, 672448, 744496, 1022504, 1062866, 1097152, 1168576, 1214704, 1302868, 1442461, 1488992, 2045008, 2125732, 2429408, 2605736, 2884922, 2977984, 4090016, 4251464, 4858816, 5211472, 5769844, 8180032, 8502928, 10097227, 10422944, 11539688, 17005856, 20194454, 20845888, 23079376, 34011712, 40388908, 46158752, 80777816, 92317504, 161555632, 323111264, 646222528]

約数ペア:

[(1, 646222528), (2, 323111264), (4, 161555632), (7, 92317504), (8, 80777816), (14, 46158752), (16, 40388908), (19, 34011712), (28, 23079376), (31, 20845888), (32, 20194454), (38, 17005856), (56, 11539688), (62, 10422944), (64, 10097227), (76, 8502928), (79, 8180032), (112, 5769844), (124, 5211472), (133, 4858816), (152, 4251464), (158, 4090016), (217, 2977984), (224, 2884922), (248, 2605736), (266, 2429408), (304, 2125732), (316, 2045008), (434, 1488992), (448, 1442461), (496, 1302868), (532, 1214704), (553, 1168576), (589, 1097152), (608, 1062866), (632, 1022504), (868, 744496), (961, 672448), (992, 651434), (1064, 607352), (1106, 584288), (1178, 548576), (1216, 531433), (1264, 511252), (1501, 430528), (1736, 372248), (1922, 336224), (1984, 325717), (2128, 303676), (2212, 292144), (2356, 274288), (2449, 263872), (2528, 255626), (3002, 215264), (3472, 186124), (3844, 168112), (4123, 156736), (4256, 151838), (4424, 146072), (4712, 137144), (4898, 131936), (5056, 127813), (6004, 107632), (6727, 96064), (6944, 93062), (7688, 84056), (8246, 78368), (8512, 75919), (8848, 73036), (9424, 68572), (9796, 65968), (10507, 61504), (12008, 53816), (13454, 48032), (13888, 46531), (15376, 42028), (16492, 39184), (17143, 37696), (17696, 36518), (18259, 35392), (18848, 34286), (19592, 32984), (21014, 30752), (24016, 26908)]