399331378

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{991}}^1\times {\mathrm{1783}}^1$

素因数の和:2889

約数の個数: 16

約数和(自身を含む): 605246976

約数和(自身を除く): 205915598

約数列:

[1, 2, 113, 226, 991, 1783, 1982, 3566, 111983, 201479, 223966, 402958, 1766953, 3533906, 199665689, 399331378]

約数ペア:

[(1, 399331378), (2, 199665689), (113, 3533906), (226, 1766953), (991, 402958), (1783, 223966), (1982, 201479), (3566, 111983)]