319903792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1537999}}^1$

素因数の和:1538020

約数の個数: 20

約数和(自身を含む): 667492000

約数和(自身を除く): 347588208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1537999, 3075998, 6151996, 12303992, 19993987, 24607984, 39987974, 79975948, 159951896, 319903792]

約数ペア:

[(1, 319903792), (2, 159951896), (4, 79975948), (8, 39987974), (13, 24607984), (16, 19993987), (26, 12303992), (52, 6151996), (104, 3075998), (208, 1537999)]