260291268

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{136421}}^1$

素因数の和:136484

約数の個数: 36

約数和(自身を含む): 670377708

約数和(自身を除く): 410086440

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 136421, 272842, 409263, 545684, 818526, 1227789, 1637052, 2455578, 4911156, 7230313, 14460626, 21690939, 28921252, 43381878, 65072817, 86763756, 130145634, 260291268]

約数ペア:

[(1, 260291268), (2, 130145634), (3, 86763756), (4, 65072817), (6, 43381878), (9, 28921252), (12, 21690939), (18, 14460626), (36, 7230313), (53, 4911156), (106, 2455578), (159, 1637052), (212, 1227789), (318, 818526), (477, 545684), (636, 409263), (954, 272842), (1908, 136421)]