1397431399

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47543}}^1$

素因数の和:47599

約数の個数: 32

約数和(自身を含む): 1916974080

約数和(自身を除く): 519542681

約数列:

[1, 7, 13, 17, 19, 91, 119, 133, 221, 247, 323, 1547, 1729, 2261, 4199, 29393, 47543, 332801, 618059, 808231, 903317, 4326413, 5657617, 6323219, 10507003, 11743121, 15356389, 73549021, 82201847, 107494723, 199633057, 1397431399]

約数ペア:

[(1, 1397431399), (7, 199633057), (13, 107494723), (17, 82201847), (19, 73549021), (91, 15356389), (119, 11743121), (133, 10507003), (221, 6323219), (247, 5657617), (323, 4326413), (1547, 903317), (1729, 808231), (2261, 618059), (4199, 332801), (29393, 47543)]