209959464962

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{10183309}}^1$

素因数の和:10183398

約数の個数: 24

約数和(自身を含む): 346619505780

約数和(自身を除く): 136660040818

約数列:

[1, 2, 13, 26, 61, 122, 169, 338, 793, 1586, 10309, 20618, 10183309, 20366618, 132383017, 264766034, 621181849, 1242363698, 1720979221, 3441958442, 8075364037, 16150728074, 104979732481, 209959464962]

約数ペア:

[(1, 209959464962), (2, 104979732481), (13, 16150728074), (26, 8075364037), (61, 3441958442), (122, 1720979221), (169, 1242363698), (338, 621181849), (793, 264766034), (1586, 132383017), (10309, 20366618), (20618, 10183309)]