3990458

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:781

約数の個数: 16

約数和(自身を含む): 6259680

約数和(自身を除く): 2269222

約数列:

[1, 2, 29, 58, 107, 214, 643, 1286, 3103, 6206, 18647, 37294, 68801, 137602, 1995229, 3990458]

約数ペア:

[(1, 3990458), (2, 1995229), (29, 137602), (58, 68801), (107, 37294), (214, 18647), (643, 6206), (1286, 3103)]