78317965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{8231}}^1$

素因数の和:8420

約数の個数: 16

約数和(自身を含む): 103130496

約数和(自身を除く): 24812531

約数列:

[1, 5, 11, 55, 173, 865, 1903, 8231, 9515, 41155, 90541, 452705, 1423963, 7119815, 15663593, 78317965]

約数ペア:

[(1, 78317965), (5, 15663593), (11, 7119815), (55, 1423963), (173, 452705), (865, 90541), (1903, 41155), (8231, 9515)]