2672215

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{839}}^1$

素因数の和:871

約数の個数: 24

約数和(自身を含む): 4021920

約数和(自身を除く): 1349705

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 839, 3185, 4195, 5873, 10907, 29365, 41111, 54535, 76349, 205555, 381745, 534443, 2672215]

約数ペア:

[(1, 2672215), (5, 534443), (7, 381745), (13, 205555), (35, 76349), (49, 54535), (65, 41111), (91, 29365), (245, 10907), (455, 5873), (637, 4195), (839, 3185)]