668804979182

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1\times {\mathrm{5207707}}^1$

素因数の和:5208275

約数の個数: 16

約数和(自身を含む): 1012065972720

約数和(自身を除く): 343260993538

約数列:

[1, 2, 157, 314, 409, 818, 64213, 128426, 5207707, 10415414, 817609999, 1635219998, 2129952163, 4259904326, 334402489591, 668804979182]

約数ペア:

[(1, 668804979182), (2, 334402489591), (157, 4259904326), (314, 2129952163), (409, 1635219998), (818, 817609999), (64213, 10415414), (128426, 5207707)]