431087488

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 977437440

約数和(自身を除く): 546349952

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 61, 62, 64, 104, 122, 124, 128, 137, 208, 244, 248, 274, 403, 416, 488, 496, 548, 793, 806, 832, 976, 992, 1096, 1586, 1612, 1664, 1781, 1891, 1952, 1984, 2192, 3172, 3224, 3562, 3782, 3904, 3968, 4247, 4384, 6344, 6448, 7124, 7564, 7808, 8357, 8494, 8768, 12688, 12896, 14248, 15128, 16714, 16988, 17536, 24583, 25376, 25792, 28496, 30256, 33428, 33976, 49166, 50752, 51584, 55211, 56992, 60512, 66856, 67952, 98332, 101504, 108641, 110422, 113984, 121024, 133712, 135904, 196664, 217282, 220844, 227968, 242048, 259067, 267424, 271808, 393328, 434564, 441688, 518134, 534848, 543616, 786656, 869128, 883376, 1036268, 1069696, 1573312, 1738256, 1766752, 2072536, 3146624, 3367871, 3476512, 3533504, 4145072, 6735742, 6953024, 7067008, 8290144, 13471484, 13906048, 16580288, 26942968, 33160576, 53885936, 107771872, 215543744, 431087488]

約数ペア:

[(1, 431087488), (2, 215543744), (4, 107771872), (8, 53885936), (13, 33160576), (16, 26942968), (26, 16580288), (31, 13906048), (32, 13471484), (52, 8290144), (61, 7067008), (62, 6953024), (64, 6735742), (104, 4145072), (122, 3533504), (124, 3476512), (128, 3367871), (137, 3146624), (208, 2072536), (244, 1766752), (248, 1738256), (274, 1573312), (403, 1069696), (416, 1036268), (488, 883376), (496, 869128), (548, 786656), (793, 543616), (806, 534848), (832, 518134), (976, 441688), (992, 434564), (1096, 393328), (1586, 271808), (1612, 267424), (1664, 259067), (1781, 242048), (1891, 227968), (1952, 220844), (1984, 217282), (2192, 196664), (3172, 135904), (3224, 133712), (3562, 121024), (3782, 113984), (3904, 110422), (3968, 108641), (4247, 101504), (4384, 98332), (6344, 67952), (6448, 66856), (7124, 60512), (7564, 56992), (7808, 55211), (8357, 51584), (8494, 50752), (8768, 49166), (12688, 33976), (12896, 33428), (14248, 30256), (15128, 28496), (16714, 25792), (16988, 25376), (17536, 24583)]