407192578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1\times {\mathrm{397}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 667570176

約数和(自身を除く): 260377598

約数列:

[1, 2, 13, 26, 103, 206, 383, 397, 766, 794, 1339, 2678, 4979, 5161, 9958, 10322, 39449, 40891, 78898, 81782, 152051, 304102, 512837, 531583, 1025674, 1063166, 1976663, 3953326, 15661253, 31322506, 203596289, 407192578]

約数ペア:

[(1, 407192578), (2, 203596289), (13, 31322506), (26, 15661253), (103, 3953326), (206, 1976663), (383, 1063166), (397, 1025674), (766, 531583), (794, 512837), (1339, 304102), (2678, 152051), (4979, 81782), (5161, 78898), (9958, 40891), (10322, 39449)]