81205696

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:522

約数の個数: 112

約数和(自身を含む): 199704960

約数和(自身を除く): 118499264

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 32, 38, 44, 52, 64, 76, 88, 104, 143, 152, 176, 208, 209, 247, 286, 304, 352, 416, 418, 467, 494, 572, 608, 704, 832, 836, 934, 988, 1144, 1216, 1672, 1868, 1976, 2288, 2717, 3344, 3736, 3952, 4576, 5137, 5434, 6071, 6688, 7472, 7904, 8873, 9152, 10274, 10868, 12142, 13376, 14944, 15808, 17746, 20548, 21736, 24284, 29888, 35492, 41096, 43472, 48568, 66781, 70984, 82192, 86944, 97136, 97603, 115349, 133562, 141968, 164384, 173888, 194272, 195206, 230698, 267124, 283936, 328768, 388544, 390412, 461396, 534248, 567872, 780824, 922792, 1068496, 1268839, 1561648, 1845584, 2136992, 2537678, 3123296, 3691168, 4273984, 5075356, 6246592, 7382336, 10150712, 20301424, 40602848, 81205696]

約数ペア:

[(1, 81205696), (2, 40602848), (4, 20301424), (8, 10150712), (11, 7382336), (13, 6246592), (16, 5075356), (19, 4273984), (22, 3691168), (26, 3123296), (32, 2537678), (38, 2136992), (44, 1845584), (52, 1561648), (64, 1268839), (76, 1068496), (88, 922792), (104, 780824), (143, 567872), (152, 534248), (176, 461396), (208, 390412), (209, 388544), (247, 328768), (286, 283936), (304, 267124), (352, 230698), (416, 195206), (418, 194272), (467, 173888), (494, 164384), (572, 141968), (608, 133562), (704, 115349), (832, 97603), (836, 97136), (934, 86944), (988, 82192), (1144, 70984), (1216, 66781), (1672, 48568), (1868, 43472), (1976, 41096), (2288, 35492), (2717, 29888), (3344, 24284), (3736, 21736), (3952, 20548), (4576, 17746), (5137, 15808), (5434, 14944), (6071, 13376), (6688, 12142), (7472, 10868), (7904, 10274), (8873, 9152)]