31268848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 71245440

約数和(自身を除く): 39976592

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 37, 52, 68, 74, 104, 136, 148, 208, 221, 239, 272, 296, 442, 478, 481, 592, 629, 884, 956, 962, 1258, 1768, 1912, 1924, 2516, 3107, 3536, 3824, 3848, 4063, 5032, 6214, 7696, 8126, 8177, 8843, 10064, 12428, 16252, 16354, 17686, 24856, 32504, 32708, 35372, 49712, 52819, 65008, 65416, 70744, 105638, 114959, 130832, 141488, 150331, 211276, 229918, 300662, 422552, 459836, 601324, 845104, 919672, 1202648, 1839344, 1954303, 2405296, 3908606, 7817212, 15634424, 31268848]

約数ペア:

[(1, 31268848), (2, 15634424), (4, 7817212), (8, 3908606), (13, 2405296), (16, 1954303), (17, 1839344), (26, 1202648), (34, 919672), (37, 845104), (52, 601324), (68, 459836), (74, 422552), (104, 300662), (136, 229918), (148, 211276), (208, 150331), (221, 141488), (239, 130832), (272, 114959), (296, 105638), (442, 70744), (478, 65416), (481, 65008), (592, 52819), (629, 49712), (884, 35372), (956, 32708), (962, 32504), (1258, 24856), (1768, 17686), (1912, 16354), (1924, 16252), (2516, 12428), (3107, 10064), (3536, 8843), (3824, 8177), (3848, 8126), (4063, 7696), (5032, 6214)]