678742004

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{379}}^1\times {\mathrm{3221}}^1$

素因数の和:3743

約数の個数: 24

約数和(自身を含む): 1199872800

約数和(自身を除く): 521130796

約数列:

[1, 2, 4, 139, 278, 379, 556, 758, 1516, 3221, 6442, 12884, 52681, 105362, 210724, 447719, 895438, 1220759, 1790876, 2441518, 4883036, 169685501, 339371002, 678742004]

約数ペア:

[(1, 678742004), (2, 339371002), (4, 169685501), (139, 4883036), (278, 2441518), (379, 1790876), (556, 1220759), (758, 895438), (1516, 447719), (3221, 210724), (6442, 105362), (12884, 52681)]