1388402457

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{2687}}^1\times {\mathrm{13249}}^1$

素因数の和:15952

約数の個数: 16

約数和(自身を含む): 1994496000

約数和(自身を除く): 606093543

約数列:

[1, 3, 13, 39, 2687, 8061, 13249, 34931, 39747, 104793, 172237, 516711, 35600063, 106800189, 462800819, 1388402457]

約数ペア:

[(1, 1388402457), (3, 462800819), (13, 106800189), (39, 35600063), (2687, 516711), (8061, 172237), (13249, 104793), (34931, 39747)]