157217990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{542131}}^1$

素因数の和:542167

約数の個数: 16

約数和(自身を含む): 292751280

約数和(自身を除く): 135533290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 542131, 1084262, 2710655, 5421310, 15721799, 31443598, 78608995, 157217990]

約数ペア:

[(1, 157217990), (2, 78608995), (5, 31443598), (10, 15721799), (29, 5421310), (58, 2710655), (145, 1084262), (290, 542131)]