217591530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{557927}}^1$

素因数の和:557950

約数の個数: 32

約数和(自身を含む): 562391424

約数和(自身を除く): 344799894

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 557927, 1115854, 1673781, 2789635, 3347562, 5579270, 7253051, 8368905, 14506102, 16737810, 21759153, 36265255, 43518306, 72530510, 108795765, 217591530]

約数ペア:

[(1, 217591530), (2, 108795765), (3, 72530510), (5, 43518306), (6, 36265255), (10, 21759153), (13, 16737810), (15, 14506102), (26, 8368905), (30, 7253051), (39, 5579270), (65, 3347562), (78, 2789635), (130, 1673781), (195, 1115854), (390, 557927)]