56904515

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1997}}^1$

素因数の和:2182

約数の個数: 16

約数和(自身を含む): 70489440

約数和(自身を除く): 13584925

約数列:

[1, 5, 41, 139, 205, 695, 1997, 5699, 9985, 28495, 81877, 277583, 409385, 1387915, 11380903, 56904515]

約数ペア:

[(1, 56904515), (5, 11380903), (41, 1387915), (139, 409385), (205, 277583), (695, 81877), (1997, 28495), (5699, 9985)]