3990238

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{677}}^1$

素因数の和:1107

約数の個数: 16

約数和(自身を含む): 6866784

約数和(自身を除く): 2876546

約数列:

[1, 2, 7, 14, 421, 677, 842, 1354, 2947, 4739, 5894, 9478, 285017, 570034, 1995119, 3990238]

約数ペア:

[(1, 3990238), (2, 1995119), (7, 570034), (14, 285017), (421, 9478), (677, 5894), (842, 4739), (1354, 2947)]