12618385

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 16667640

約数和(自身を除く): 4049255

約数列:

[1, 5, 13, 65, 109, 137, 169, 545, 685, 845, 1417, 1781, 7085, 8905, 14933, 18421, 23153, 74665, 92105, 115765, 194129, 970645, 2523677, 12618385]

約数ペア:

[(1, 12618385), (5, 2523677), (13, 970645), (65, 194129), (109, 115765), (137, 92105), (169, 74665), (545, 23153), (685, 18421), (845, 14933), (1417, 8905), (1781, 7085)]