638897284

素因数分解:

$2^2\times {\mathrm{10271}}^1\times {\mathrm{15551}}^1$

素因数の和:25826

約数の個数: 12

約数和(自身を含む): 1118251008

約数和(自身を除く): 479353724

約数列:

[1, 2, 4, 10271, 15551, 20542, 31102, 41084, 62204, 159724321, 319448642, 638897284]

約数ペア:

[(1, 638897284), (2, 319448642), (4, 159724321), (10271, 62204), (15551, 41084), (20542, 31102)]