289648964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1987}}^1\times {\mathrm{3313}}^1$

素因数の和:5315

約数の個数: 24

約数和(自身を含む): 553411488

約数和(自身を除く): 263762524

約数列:

[1, 2, 4, 11, 22, 44, 1987, 3313, 3974, 6626, 7948, 13252, 21857, 36443, 43714, 72886, 87428, 145772, 6582931, 13165862, 26331724, 72412241, 144824482, 289648964]

約数ペア:

[(1, 289648964), (2, 144824482), (4, 72412241), (11, 26331724), (22, 13165862), (44, 6582931), (1987, 145772), (3313, 87428), (3974, 72886), (6626, 43714), (7948, 36443), (13252, 21857)]