87144406

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{1999}}^1$

素因数の和:2379

約数の個数: 16

約数和(自身を含む): 133056000

約数和(自身を除く): 45911594

約数列:

[1, 2, 71, 142, 307, 614, 1999, 3998, 21797, 43594, 141929, 283858, 613693, 1227386, 43572203, 87144406]

約数ペア:

[(1, 87144406), (2, 43572203), (71, 1227386), (142, 613693), (307, 283858), (614, 141929), (1999, 43594), (3998, 21797)]