13450975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 17632800

約数和(自身を除く): 4181825

約数列:

[1, 5, 23, 25, 115, 149, 157, 575, 745, 785, 3427, 3611, 3725, 3925, 17135, 18055, 23393, 85675, 90275, 116965, 538039, 584825, 2690195, 13450975]

約数ペア:

[(1, 13450975), (5, 2690195), (23, 584825), (25, 538039), (115, 116965), (149, 90275), (157, 85675), (575, 23393), (745, 18055), (785, 17135), (3427, 3925), (3611, 3725)]