261223456

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{5557}}^1$

素因数の和:5693

約数の個数: 48

約数和(自身を含む): 558845784

約数和(自身を除く): 297622328

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 113, 208, 226, 416, 452, 904, 1469, 1808, 2938, 3616, 5557, 5876, 11114, 11752, 22228, 23504, 44456, 47008, 72241, 88912, 144482, 177824, 288964, 577928, 627941, 1155856, 1255882, 2311712, 2511764, 5023528, 8163233, 10047056, 16326466, 20094112, 32652932, 65305864, 130611728, 261223456]

約数ペア:

[(1, 261223456), (2, 130611728), (4, 65305864), (8, 32652932), (13, 20094112), (16, 16326466), (26, 10047056), (32, 8163233), (52, 5023528), (104, 2511764), (113, 2311712), (208, 1255882), (226, 1155856), (416, 627941), (452, 577928), (904, 288964), (1469, 177824), (1808, 144482), (2938, 88912), (3616, 72241), (5557, 47008), (5876, 44456), (11114, 23504), (11752, 22228)]