1388405967

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{671701}}^1$

素因数の和:671770

約数の個数: 16

約数和(自身を含む): 2031226848

約数和(自身を除く): 642820881

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 671701, 2015103, 8732113, 26196339, 35600153, 106800459, 462801989, 1388405967]

約数ペア:

[(1, 1388405967), (3, 462801989), (13, 106800459), (39, 35600153), (53, 26196339), (159, 8732113), (689, 2015103), (2067, 671701)]