31980248

素因数分解:

$2^3\times {\mathrm{643}}^1\times {\mathrm{6217}}^1$

素因数の和:6866

約数の個数: 16

約数和(自身を含む): 60065880

約数和(自身を除く): 28085632

約数列:

[1, 2, 4, 8, 643, 1286, 2572, 5144, 6217, 12434, 24868, 49736, 3997531, 7995062, 15990124, 31980248]

約数ペア:

[(1, 31980248), (2, 15990124), (4, 7995062), (8, 3997531), (643, 49736), (1286, 24868), (2572, 12434), (5144, 6217)]