207870416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{999377}}^1$

素因数の和:999398

約数の個数: 20

約数和(自身を含む): 433730052

約数和(自身を除く): 225859636

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 999377, 1998754, 3997508, 7995016, 12991901, 15990032, 25983802, 51967604, 103935208, 207870416]

約数ペア:

[(1, 207870416), (2, 103935208), (4, 51967604), (8, 25983802), (13, 15990032), (16, 12991901), (26, 7995016), (52, 3997508), (104, 1998754), (208, 999377)]