31125770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239429}}^1$

素因数の和:239449

約数の個数: 16

約数和(自身を含む): 60336360

約数和(自身を除く): 29210590

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 239429, 478858, 1197145, 2394290, 3112577, 6225154, 15562885, 31125770]

約数ペア:

[(1, 31125770), (2, 15562885), (5, 6225154), (10, 3112577), (13, 2394290), (26, 1197145), (65, 478858), (130, 239429)]