31081967

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 9353233

約数列:

[1, 7, 17, 19, 59, 119, 133, 233, 323, 413, 1003, 1121, 1631, 2261, 3961, 4427, 7021, 7847, 13747, 19057, 27727, 30989, 75259, 96229, 133399, 233699, 261193, 526813, 1635893, 1828351, 4440281, 31081967]

約数ペア:

[(1, 31081967), (7, 4440281), (17, 1828351), (19, 1635893), (59, 526813), (119, 261193), (133, 233699), (233, 133399), (323, 96229), (413, 75259), (1003, 30989), (1121, 27727), (1631, 19057), (2261, 13747), (3961, 7847), (4427, 7021)]