8889428

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:619

約数の個数: 24

約数和(自身を含む): 16216200

約数和(自身を除く): 7326772

約数列:

[1, 2, 4, 29, 58, 116, 197, 389, 394, 778, 788, 1556, 5713, 11281, 11426, 22562, 22852, 45124, 76633, 153266, 306532, 2222357, 4444714, 8889428]

約数ペア:

[(1, 8889428), (2, 4444714), (4, 2222357), (29, 306532), (58, 153266), (116, 76633), (197, 45124), (389, 22852), (394, 22562), (778, 11426), (788, 11281), (1556, 5713)]