218362721

素因数分解:

${\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 229521600

約数和(自身を除く): 11158879

約数列:

[1, 29, 131, 229, 251, 3799, 6641, 7279, 29999, 32881, 57479, 869971, 953549, 1666891, 7529749, 218362721]

約数ペア:

[(1, 218362721), (29, 7529749), (131, 1666891), (229, 953549), (251, 869971), (3799, 57479), (6641, 32881), (7279, 29999)]