42709778

素因数分解:

$2^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:889

約数の個数: 16

約数和(自身を含む): 64800000

約数和(自身を除く): 22090222

約数列:

[1, 2, 199, 239, 398, 449, 478, 898, 47561, 89351, 95122, 107311, 178702, 214622, 21354889, 42709778]

約数ペア:

[(1, 42709778), (2, 21354889), (199, 214622), (239, 178702), (398, 107311), (449, 95122), (478, 89351), (898, 47561)]