42639896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{409999}}^1$

素因数の和:410018

約数の個数: 16

約数和(自身を含む): 86100000

約数和(自身を除く): 43460104

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 409999, 819998, 1639996, 3279992, 5329987, 10659974, 21319948, 42639896]

約数ペア:

[(1, 42639896), (2, 21319948), (4, 10659974), (8, 5329987), (13, 3279992), (26, 1639996), (52, 819998), (104, 409999)]