68490005

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{2243}}^1$

素因数の和:2476

約数の個数: 16

約数和(自身を含む): 85307904

約数和(自身を除く): 16817899

約数列:

[1, 5, 31, 155, 197, 985, 2243, 6107, 11215, 30535, 69533, 347665, 441871, 2209355, 13698001, 68490005]

約数ペア:

[(1, 68490005), (5, 13698001), (31, 2209355), (155, 441871), (197, 347665), (985, 69533), (2243, 30535), (6107, 11215)]