157811591

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 193881600

約数和(自身を除く): 36070009

約数列:

[1, 7, 29, 43, 101, 179, 203, 301, 707, 1247, 1253, 2929, 4343, 5191, 7697, 8729, 18079, 20503, 30401, 36337, 53879, 125947, 126553, 223213, 524291, 777397, 881629, 1562491, 3670037, 5441779, 22544513, 157811591]

約数ペア:

[(1, 157811591), (7, 22544513), (29, 5441779), (43, 3670037), (101, 1562491), (179, 881629), (203, 777397), (301, 524291), (707, 223213), (1247, 126553), (1253, 125947), (2929, 53879), (4343, 36337), (5191, 30401), (7697, 20503), (8729, 18079)]