388633436

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{409}}^1\times {\mathrm{1709}}^1$

素因数の和:2261

約数の個数: 24

約数和(自身を含む): 687078000

約数和(自身を除く): 298444564

約数列:

[1, 2, 4, 139, 278, 409, 556, 818, 1636, 1709, 3418, 6836, 56851, 113702, 227404, 237551, 475102, 698981, 950204, 1397962, 2795924, 97158359, 194316718, 388633436]

約数ペア:

[(1, 388633436), (2, 194316718), (4, 97158359), (139, 2795924), (278, 1397962), (409, 950204), (556, 698981), (818, 475102), (1636, 237551), (1709, 227404), (3418, 113702), (6836, 56851)]