40981339

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{661}}^1$

素因数の和:1206

約数の個数: 16

約数和(自身を含む): 49761216

約数和(自身を除く): 8779877

約数列:

[1, 7, 17, 119, 521, 661, 3647, 4627, 8857, 11237, 61999, 78659, 344381, 2410667, 5854477, 40981339]

約数ペア:

[(1, 40981339), (7, 5854477), (17, 2410667), (119, 344381), (521, 78659), (661, 61999), (3647, 11237), (4627, 8857)]