68319088

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:749

約数の個数: 40

約数和(自身を含む): 136400000

約数和(自身を除く): 68080912

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 199, 344, 398, 499, 688, 796, 998, 1592, 1996, 3184, 3992, 7984, 8557, 17114, 21457, 34228, 42914, 68456, 85828, 99301, 136912, 171656, 198602, 343312, 397204, 794408, 1588816, 4269943, 8539886, 17079772, 34159544, 68319088]

約数ペア:

[(1, 68319088), (2, 34159544), (4, 17079772), (8, 8539886), (16, 4269943), (43, 1588816), (86, 794408), (172, 397204), (199, 343312), (344, 198602), (398, 171656), (499, 136912), (688, 99301), (796, 85828), (998, 68456), (1592, 42914), (1996, 34228), (3184, 21457), (3992, 17114), (7984, 8557)]