12840107

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 15759360

約数和(自身を除く): 2919253

約数列:

[1, 7, 31, 49, 79, 107, 217, 553, 749, 1519, 2449, 3317, 3871, 5243, 8453, 17143, 23219, 59171, 120001, 162533, 262043, 414197, 1834301, 12840107]

約数ペア:

[(1, 12840107), (7, 1834301), (31, 414197), (49, 262043), (79, 162533), (107, 120001), (217, 59171), (553, 23219), (749, 17143), (1519, 8453), (2449, 5243), (3317, 3871)]