87081778

素因数分解:

$2^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{20261}}^1$

素因数の和:20577

約数の個数: 16

約数和(自身を含む): 149776704

約数和(自身を除く): 62694926

約数列:

[1, 2, 7, 14, 307, 614, 2149, 4298, 20261, 40522, 141827, 283654, 6220127, 12440254, 43540889, 87081778]

約数ペア:

[(1, 87081778), (2, 43540889), (7, 12440254), (14, 6220127), (307, 283654), (614, 141827), (2149, 40522), (4298, 20261)]