199970128

素因数分解:

$2^4\times {\mathrm{229}}^1\times {\mathrm{54577}}^1$

素因数の和:54814

約数の個数: 20

約数和(自身を含む): 389141140

約数和(自身を除く): 189171012

約数列:

[1, 2, 4, 8, 16, 229, 458, 916, 1832, 3664, 54577, 109154, 218308, 436616, 873232, 12498133, 24996266, 49992532, 99985064, 199970128]

約数ペア:

[(1, 199970128), (2, 99985064), (4, 49992532), (8, 24996266), (16, 12498133), (229, 873232), (458, 436616), (916, 218308), (1832, 109154), (3664, 54577)]