157707940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{606569}}^1$

素因数の和:606591

約数の個数: 24

約数和(自身を含む): 356663160

約数和(自身を除く): 198955220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 606569, 1213138, 2426276, 3032845, 6065690, 7885397, 12131380, 15770794, 31541588, 39426985, 78853970, 157707940]

約数ペア:

[(1, 157707940), (2, 78853970), (4, 39426985), (5, 31541588), (10, 15770794), (13, 12131380), (20, 7885397), (26, 6065690), (52, 3032845), (65, 2426276), (130, 1213138), (260, 606569)]