68778128

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:579

約数の個数: 40

約数和(自身を含む): 136059000

約数和(自身を除く): 67280872

約数列:

[1, 2, 4, 8, 16, 109, 113, 218, 226, 349, 436, 452, 698, 872, 904, 1396, 1744, 1808, 2792, 5584, 12317, 24634, 38041, 39437, 49268, 76082, 78874, 98536, 152164, 157748, 197072, 304328, 315496, 608656, 630992, 4298633, 8597266, 17194532, 34389064, 68778128]

約数ペア:

[(1, 68778128), (2, 34389064), (4, 17194532), (8, 8597266), (16, 4298633), (109, 630992), (113, 608656), (218, 315496), (226, 304328), (349, 197072), (436, 157748), (452, 152164), (698, 98536), (872, 78874), (904, 76082), (1396, 49268), (1744, 39437), (1808, 38041), (2792, 24634), (5584, 12317)]