816000890

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{587051}}^1$

素因数の和:587197

約数の個数: 16

約数和(自身を含む): 1479371040

約数和(自身を除く): 663370150

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 587051, 1174102, 2935255, 5870510, 81600089, 163200178, 408000445, 816000890]

約数ペア:

[(1, 816000890), (2, 408000445), (5, 163200178), (10, 81600089), (139, 5870510), (278, 2935255), (695, 1174102), (1390, 587051)]