2021715031

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{27827}}^1$

素因数の和:28038

約数の個数: 16

約数和(自身を含む): 2356252416

約数和(自身を除く): 334537385

約数列:

[1, 7, 97, 107, 679, 749, 10379, 27827, 72653, 194789, 2699219, 2977489, 18894533, 20842423, 288816433, 2021715031]

約数ペア:

[(1, 2021715031), (7, 288816433), (97, 20842423), (107, 18894533), (679, 2977489), (749, 2699219), (10379, 194789), (27827, 72653)]