20170109

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:460

約数の個数: 16

約数和(自身を含む): 22317120

約数和(自身を除く): 2147011

約数列:

[1, 17, 29, 163, 251, 493, 2771, 4267, 4727, 7279, 40913, 80359, 123743, 695521, 1186477, 20170109]

約数ペア:

[(1, 20170109), (17, 1186477), (29, 695521), (163, 123743), (251, 80359), (493, 40913), (2771, 7279), (4267, 4727)]