4139155

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 5187168

約数和(自身を除く): 1048013

約数列:

[1, 5, 41, 61, 205, 305, 331, 1655, 2501, 12505, 13571, 20191, 67855, 100955, 827831, 4139155]

約数ペア:

[(1, 4139155), (5, 827831), (41, 100955), (61, 67855), (205, 20191), (305, 13571), (331, 12505), (1655, 2501)]