156721481

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 196992000

約数和(自身を除く): 40270519

約数列:

[1, 7, 19, 29, 133, 179, 203, 227, 551, 1253, 1589, 3401, 3857, 4313, 5191, 6583, 23807, 30191, 36337, 40633, 46081, 98629, 125077, 284431, 690403, 772027, 875539, 1178357, 5404189, 8248499, 22388783, 156721481]

約数ペア:

[(1, 156721481), (7, 22388783), (19, 8248499), (29, 5404189), (133, 1178357), (179, 875539), (203, 772027), (227, 690403), (551, 284431), (1253, 125077), (1589, 98629), (3401, 46081), (3857, 40633), (4313, 36337), (5191, 30191), (6583, 23807)]