261796572

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^2\times {\mathrm{8647}}^1$

素因数の和:8715

約数の個数: 54

約数和(自身を含む): 685449128

約数和(自身を除く): 423652556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 841, 1044, 1682, 2523, 3364, 5046, 7569, 8647, 10092, 15138, 17294, 25941, 30276, 34588, 51882, 77823, 103764, 155646, 250763, 311292, 501526, 752289, 1003052, 1504578, 2256867, 3009156, 4513734, 7272127, 9027468, 14544254, 21816381, 29088508, 43632762, 65449143, 87265524, 130898286, 261796572]

約数ペア:

[(1, 261796572), (2, 130898286), (3, 87265524), (4, 65449143), (6, 43632762), (9, 29088508), (12, 21816381), (18, 14544254), (29, 9027468), (36, 7272127), (58, 4513734), (87, 3009156), (116, 2256867), (174, 1504578), (261, 1003052), (348, 752289), (522, 501526), (841, 311292), (1044, 250763), (1682, 155646), (2523, 103764), (3364, 77823), (5046, 51882), (7569, 34588), (8647, 30276), (10092, 25941), (15138, 17294)]