289412536

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{39451}}^1$

素因数の和:39595

約数の個数: 32

約数和(自身を含む): 624919680

約数和(自身を除く): 335507144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 3668, 7336, 39451, 78902, 157804, 276157, 315608, 552314, 1104628, 2209256, 5168081, 10336162, 20672324, 36176567, 41344648, 72353134, 144706268, 289412536]

約数ペア:

[(1, 289412536), (2, 144706268), (4, 72353134), (7, 41344648), (8, 36176567), (14, 20672324), (28, 10336162), (56, 5168081), (131, 2209256), (262, 1104628), (524, 552314), (917, 315608), (1048, 276157), (1834, 157804), (3668, 78902), (7336, 39451)]