217876945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{304723}}^1$

素因数の和:304752

約数の個数: 16

約数和(自身を含む): 307161792

約数和(自身を除く): 89284847

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 304723, 1523615, 3351953, 3961399, 16759765, 19806995, 43575389, 217876945]

約数ペア:

[(1, 217876945), (5, 43575389), (11, 19806995), (13, 16759765), (55, 3961399), (65, 3351953), (143, 1523615), (715, 304723)]