79871425

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 102136320

約数和(自身を除く): 22264895

約数列:

[1, 5, 25, 43, 191, 215, 389, 955, 1075, 1945, 4775, 8213, 9725, 16727, 41065, 74299, 83635, 205325, 371495, 418175, 1857475, 3194857, 15974285, 79871425]

約数ペア:

[(1, 79871425), (5, 15974285), (25, 3194857), (43, 1857475), (191, 418175), (215, 371495), (389, 205325), (955, 83635), (1075, 74299), (1945, 41065), (4775, 16727), (8213, 9725)]