256169368

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11351}}^1$

素因数の和:11408

約数の個数: 64

約数和(自身を含む): 610283520

約数和(自身を除く): 354114152

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 868, 1612, 1736, 2821, 3224, 5642, 11284, 11351, 22568, 22702, 45404, 79457, 90808, 147563, 158914, 295126, 317828, 351881, 590252, 635656, 703762, 1032941, 1180504, 1407524, 2065882, 2463167, 2815048, 4131764, 4574453, 4926334, 8263528, 9148906, 9852668, 18297812, 19705336, 32021171, 36595624, 64042342, 128084684, 256169368]

約数ペア:

[(1, 256169368), (2, 128084684), (4, 64042342), (7, 36595624), (8, 32021171), (13, 19705336), (14, 18297812), (26, 9852668), (28, 9148906), (31, 8263528), (52, 4926334), (56, 4574453), (62, 4131764), (91, 2815048), (104, 2463167), (124, 2065882), (182, 1407524), (217, 1180504), (248, 1032941), (364, 703762), (403, 635656), (434, 590252), (728, 351881), (806, 317828), (868, 295126), (1612, 158914), (1736, 147563), (2821, 90808), (3224, 79457), (5642, 45404), (11284, 22702), (11351, 22568)]