12883975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1367}}^1$

素因数の和:1419

約数の個数: 24

約数和(自身を含む): 17811360

約数和(自身を除く): 4927385

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1367, 1885, 6835, 9425, 17771, 34175, 39643, 88855, 198215, 444275, 515359, 991075, 2576795, 12883975]

約数ペア:

[(1, 12883975), (5, 2576795), (13, 991075), (25, 515359), (29, 444275), (65, 198215), (145, 88855), (325, 39643), (377, 34175), (725, 17771), (1367, 9425), (1885, 6835)]