203438416

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{208441}}^1$

素因数の和:208510

約数の個数: 20

約数和(自身を含む): 400625524

約数和(自身を除く): 197187108

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 208441, 416882, 833764, 1667528, 3335056, 12714901, 25429802, 50859604, 101719208, 203438416]

約数ペア:

[(1, 203438416), (2, 101719208), (4, 50859604), (8, 25429802), (16, 12714901), (61, 3335056), (122, 1667528), (244, 833764), (488, 416882), (976, 208441)]