290465864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{52697}}^1$

素因数の和:52769

約数の個数: 32

約数和(自身を含む): 597595320

約数和(自身を除く): 307129456

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 52697, 105394, 210788, 421576, 685061, 1370122, 2740244, 2792941, 5480488, 5585882, 11171764, 22343528, 36308233, 72616466, 145232932, 290465864]

約数ペア:

[(1, 290465864), (2, 145232932), (4, 72616466), (8, 36308233), (13, 22343528), (26, 11171764), (52, 5585882), (53, 5480488), (104, 2792941), (106, 2740244), (212, 1370122), (424, 685061), (689, 421576), (1378, 210788), (2756, 105394), (5512, 52697)]