1289109770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9916229}}^1$

素因数の和:9916249

約数の個数: 16

約数和(自身を含む): 2498889960

約数和(自身を除く): 1209780190

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 9916229, 19832458, 49581145, 99162290, 128910977, 257821954, 644554885, 1289109770]

約数ペア:

[(1, 1289109770), (2, 644554885), (5, 257821954), (10, 128910977), (13, 99162290), (26, 49581145), (65, 19832458), (130, 9916229)]