2639018879

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{659}}^1\times {\mathrm{19727}}^1$

素因数の和:20422

約数の個数: 16

約数和(自身を含む): 3124915200

約数和(自身を除く): 485896321

約数列:

[1, 7, 29, 203, 659, 4613, 19111, 19727, 133777, 138089, 572083, 4004581, 13000093, 91000651, 377002697, 2639018879]

約数ペア:

[(1, 2639018879), (7, 377002697), (29, 91000651), (203, 13000093), (659, 4004581), (4613, 572083), (19111, 138089), (19727, 133777)]