400497215

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{32707}}^1$

素因数の和:32822

約数の個数: 16

約数和(自身を含む): 502394880

約数和(自身を除く): 101897665

約数列:

[1, 5, 31, 79, 155, 395, 2449, 12245, 32707, 163535, 1013917, 2583853, 5069585, 12919265, 80099443, 400497215]

約数ペア:

[(1, 400497215), (5, 80099443), (31, 12919265), (79, 5069585), (155, 2583853), (395, 1013917), (2449, 163535), (12245, 32707)]