31951997

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 10384003

約数列:

[1, 7, 11, 29, 41, 77, 203, 287, 319, 349, 451, 1189, 2233, 2443, 3157, 3839, 8323, 10121, 13079, 14309, 26873, 70847, 91553, 100163, 111331, 157399, 414961, 779317, 1101793, 2904727, 4564571, 31951997]

約数ペア:

[(1, 31951997), (7, 4564571), (11, 2904727), (29, 1101793), (41, 779317), (77, 414961), (203, 157399), (287, 111331), (319, 100163), (349, 91553), (451, 70847), (1189, 26873), (2233, 14309), (2443, 13079), (3157, 10121), (3839, 8323)]