128668876

素因数分解:

$2^2\times 7^1\times {\mathrm{1451}}^1\times {\mathrm{3167}}^1$

素因数の和:4629

約数の個数: 24

約数和(自身を含む): 257596416

約数和(自身を除く): 128927540

約数列:

[1, 2, 4, 7, 14, 28, 1451, 2902, 3167, 5804, 6334, 10157, 12668, 20314, 22169, 40628, 44338, 88676, 4595317, 9190634, 18381268, 32167219, 64334438, 128668876]

約数ペア:

[(1, 128668876), (2, 64334438), (4, 32167219), (7, 18381268), (14, 9190634), (28, 4595317), (1451, 88676), (2902, 44338), (3167, 40628), (5804, 22169), (6334, 20314), (10157, 12668)]