215238037

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{258389}}^1$

素因数の和:258420

約数の個数: 12

約数和(自身を含む): 265108140

約数和(自身を除く): 49870103

約数列:

[1, 7, 17, 49, 119, 833, 258389, 1808723, 4392613, 12661061, 30748291, 215238037]

約数ペア:

[(1, 215238037), (7, 30748291), (17, 12661061), (49, 4392613), (119, 1808723), (833, 258389)]