4391305

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 5580288

約数和(自身を除く): 1188983

約数列:

[1, 5, 31, 41, 155, 205, 691, 1271, 3455, 6355, 21421, 28331, 107105, 141655, 878261, 4391305]

約数ペア:

[(1, 4391305), (5, 878261), (31, 141655), (41, 107105), (155, 28331), (205, 21421), (691, 6355), (1271, 3455)]