256220887

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{3221}}^1$

素因数の和:3474

約数の個数: 16

約数和(自身を含む): 286886880

約数和(自身を除く): 30665993

約数列:

[1, 13, 29, 211, 377, 2743, 3221, 6119, 41873, 79547, 93409, 679631, 1214317, 8835203, 19709299, 256220887]

約数ペア:

[(1, 256220887), (13, 19709299), (29, 8835203), (211, 1214317), (377, 679631), (2743, 93409), (3221, 79547), (6119, 41873)]