12870455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8609}}^1$

素因数の和:8650

約数の個数: 16

約数和(自身を含む): 17357760

約数和(自身を除く): 4487305

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 8609, 43045, 111917, 198007, 559585, 990035, 2574091, 12870455]

約数ペア:

[(1, 12870455), (5, 2574091), (13, 990035), (23, 559585), (65, 198007), (115, 111917), (299, 43045), (1495, 8609)]