251840290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1937233}}^1$

素因数の和:1937253

約数の個数: 16

約数和(自身を含む): 488182968

約数和(自身を除く): 236342678

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1937233, 3874466, 9686165, 19372330, 25184029, 50368058, 125920145, 251840290]

約数ペア:

[(1, 251840290), (2, 125920145), (5, 50368058), (10, 25184029), (13, 19372330), (26, 9686165), (65, 3874466), (130, 1937233)]