221438546

素因数分解:

$2^1\times 7^2\times {\mathrm{521}}^1\times {\mathrm{4337}}^1$

素因数の和:4874

約数の個数: 24

約数和(自身を含む): 387218556

約数和(自身を除く): 165780010

約数列:

[1, 2, 7, 14, 49, 98, 521, 1042, 3647, 4337, 7294, 8674, 25529, 30359, 51058, 60718, 212513, 425026, 2259577, 4519154, 15817039, 31634078, 110719273, 221438546]

約数ペア:

[(1, 221438546), (2, 110719273), (7, 31634078), (14, 15817039), (49, 4519154), (98, 2259577), (521, 425026), (1042, 212513), (3647, 60718), (4337, 51058), (7294, 30359), (8674, 25529)]