64845724

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{523}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 115028480

約数和(自身を除く): 50182756

約数列:

[1, 2, 4, 139, 223, 278, 446, 523, 556, 892, 1046, 2092, 30997, 61994, 72697, 116629, 123988, 145394, 233258, 290788, 466516, 16211431, 32422862, 64845724]

約数ペア:

[(1, 64845724), (2, 32422862), (4, 16211431), (139, 466516), (223, 290788), (278, 233258), (446, 145394), (523, 123988), (556, 116629), (892, 72697), (1046, 61994), (2092, 30997)]