389429294156

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{195889987}}^1$

素因数の和:195890069

約数の個数: 24

約数和(自身を含む): 789828431616

約数和(自身を除く): 400399137460

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 195889987, 391779974, 783559948, 1371229909, 2742459818, 5484919636, 13908189077, 27816378154, 55632756308, 97357323539, 194714647078, 389429294156]

約数ペア:

[(1, 389429294156), (2, 194714647078), (4, 97357323539), (7, 55632756308), (14, 27816378154), (28, 13908189077), (71, 5484919636), (142, 2742459818), (284, 1371229909), (497, 783559948), (994, 391779974), (1988, 195889987)]