16393975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{691}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 22224272

約数和(自身を除く): 5830297

約数列:

[1, 5, 13, 25, 65, 73, 325, 365, 691, 949, 1825, 3455, 4745, 8983, 17275, 23725, 44915, 50443, 224575, 252215, 655759, 1261075, 3278795, 16393975]

約数ペア:

[(1, 16393975), (5, 3278795), (13, 1261075), (25, 655759), (65, 252215), (73, 224575), (325, 50443), (365, 44915), (691, 23725), (949, 17275), (1825, 8983), (3455, 4745)]