1290191570

素因数分解:

$2^1\times 5^1\times {\mathrm{797}}^1\times {\mathrm{161881}}^1$

素因数の和:162685

約数の個数: 16

約数和(自身を含む): 2325273048

約数和(自身を除く): 1035081478

約数列:

[1, 2, 5, 10, 797, 1594, 3985, 7970, 161881, 323762, 809405, 1618810, 129019157, 258038314, 645095785, 1290191570]

約数ペア:

[(1, 1290191570), (2, 645095785), (5, 258038314), (10, 129019157), (797, 1618810), (1594, 809405), (3985, 323762), (7970, 161881)]