2019907825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{6215101}}^1$

素因数の和:6215124

約数の個数: 12

約数和(自身を含む): 2697354268

約数和(自身を除く): 677446443

約数列:

[1, 5, 13, 25, 65, 325, 6215101, 31075505, 80796313, 155377525, 403981565, 2019907825]

約数ペア:

[(1, 2019907825), (5, 403981565), (13, 155377525), (25, 80796313), (65, 31075505), (325, 6215101)]