31380181

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{7127}}^1$

素因数の和:7188

約数の個数: 16

約数和(自身を含む): 39004416

約数和(自身を除く): 7624235

約数列:

[1, 7, 17, 37, 119, 259, 629, 4403, 7127, 49889, 121159, 263699, 848113, 1845893, 4482883, 31380181]

約数ペア:

[(1, 31380181), (7, 4482883), (17, 1845893), (37, 848113), (119, 263699), (259, 121159), (629, 49889), (4403, 7127)]