68494556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{8081}}^1$

素因数の和:8261

約数の個数: 24

約数和(自身を含む): 129893904

約数和(自身を除く): 61399348

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 2119, 4238, 8081, 8476, 16162, 32324, 105053, 210106, 420212, 1317203, 2634406, 5268812, 17123639, 34247278, 68494556]

約数ペア:

[(1, 68494556), (2, 34247278), (4, 17123639), (13, 5268812), (26, 2634406), (52, 1317203), (163, 420212), (326, 210106), (652, 105053), (2119, 32324), (4238, 16162), (8081, 8476)]