12205765

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 17652096

約数和(自身を除く): 5446331

約数列:

[1, 5, 11, 13, 43, 55, 65, 143, 215, 397, 473, 559, 715, 1985, 2365, 2795, 4367, 5161, 6149, 17071, 21835, 25805, 30745, 56771, 85355, 187781, 221923, 283855, 938905, 1109615, 2441153, 12205765]

約数ペア:

[(1, 12205765), (5, 2441153), (11, 1109615), (13, 938905), (43, 283855), (55, 221923), (65, 187781), (143, 85355), (215, 56771), (397, 30745), (473, 25805), (559, 21835), (715, 17071), (1985, 6149), (2365, 5161), (2795, 4367)]