68971819

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{653}}^1$

素因数の和:930

約数の個数: 16

約数和(自身を含む): 80363520

約数和(自身を除く): 11391701

約数列:

[1, 7, 79, 191, 553, 653, 1337, 4571, 15089, 51587, 105623, 124723, 361109, 873061, 9853117, 68971819]

約数ペア:

[(1, 68971819), (7, 9853117), (79, 873061), (191, 361109), (553, 124723), (653, 105623), (1337, 51587), (4571, 15089)]