71667197

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{521}}^1$

素因数の和:1028

約数の個数: 16

約数和(自身を含む): 84154752

約数和(自身を除く): 12487555

約数列:

[1, 7, 43, 301, 457, 521, 3199, 3647, 19651, 22403, 137557, 156821, 238097, 1666679, 10238171, 71667197]

約数ペア:

[(1, 71667197), (7, 10238171), (43, 1666679), (301, 238097), (457, 156821), (521, 137557), (3199, 22403), (3647, 19651)]