2489947201

素因数分解:

$7^2\times {\mathrm{79}}^1\times {\mathrm{643231}}^1$

素因数の和:643324

約数の個数: 12

約数和(自身を含む): 2933137920

約数和(自身を除く): 443190719

約数列:

[1, 7, 49, 79, 553, 3871, 643231, 4502617, 31518319, 50815249, 355706743, 2489947201]

約数ペア:

[(1, 2489947201), (7, 355706743), (49, 50815249), (79, 31518319), (553, 4502617), (3871, 643231)]