289399496

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{443}}^1\times {\mathrm{2207}}^1$

素因数の和:2693

約数の個数: 32

約数和(自身を含む): 558800640

約数和(自身を除く): 269401144

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 443, 886, 1772, 2207, 3544, 4414, 8828, 16391, 17656, 32782, 65564, 81659, 131128, 163318, 326636, 653272, 977701, 1955402, 3910804, 7821608, 36174937, 72349874, 144699748, 289399496]

約数ペア:

[(1, 289399496), (2, 144699748), (4, 72349874), (8, 36174937), (37, 7821608), (74, 3910804), (148, 1955402), (296, 977701), (443, 653272), (886, 326636), (1772, 163318), (2207, 131128), (3544, 81659), (4414, 65564), (8828, 32782), (16391, 17656)]