2151569161

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{40459}}^1$

素因数の和:40644

約数の個数: 16

約数和(自身を含む): 2516935680

約数和(自身を除く): 365366519

約数列:

[1, 7, 71, 107, 497, 749, 7597, 40459, 53179, 283213, 2872589, 4329113, 20108123, 30303791, 307367023, 2151569161]

約数ペア:

[(1, 2151569161), (7, 307367023), (71, 30303791), (107, 20108123), (497, 4329113), (749, 2872589), (7597, 283213), (40459, 53179)]