12153895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{647}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 16710624

約数和(自身を除く): 4556729

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 647, 1105, 1445, 3235, 3757, 8411, 10999, 18785, 42055, 54995, 142987, 186983, 714935, 934915, 2430779, 12153895]

約数ペア:

[(1, 12153895), (5, 2430779), (13, 934915), (17, 714935), (65, 186983), (85, 142987), (221, 54995), (289, 42055), (647, 18785), (1105, 10999), (1445, 8411), (3235, 3757)]