199400216

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{408607}}^1$

素因数の和:408674

約数の個数: 16

約数和(自身を含む): 380005440

約数和(自身を除く): 180605224

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 408607, 817214, 1634428, 3268856, 24925027, 49850054, 99700108, 199400216]

約数ペア:

[(1, 199400216), (2, 99700108), (4, 49850054), (8, 24925027), (61, 3268856), (122, 1634428), (244, 817214), (488, 408607)]