90288898

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{311}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 157697280

約数和(自身を除く): 67408382

約数列:

[1, 2, 7, 14, 89, 178, 233, 311, 466, 622, 623, 1246, 1631, 2177, 3262, 4354, 20737, 27679, 41474, 55358, 72463, 144926, 145159, 193753, 290318, 387506, 507241, 1014482, 6449207, 12898414, 45144449, 90288898]

約数ペア:

[(1, 90288898), (2, 45144449), (7, 12898414), (14, 6449207), (89, 1014482), (178, 507241), (233, 387506), (311, 290318), (466, 193753), (622, 145159), (623, 144926), (1246, 72463), (1631, 55358), (2177, 41474), (3262, 27679), (4354, 20737)]