79400425

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{18793}}^1$

素因数の和:18829

約数の個数: 18

約数和(自身を含む): 106618362

約数和(自身を除く): 27217937

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 18793, 93965, 244309, 469825, 1221545, 3176017, 6107725, 15880085, 79400425]

約数ペア:

[(1, 79400425), (5, 15880085), (13, 6107725), (25, 3176017), (65, 1221545), (169, 469825), (325, 244309), (845, 93965), (4225, 18793)]