78218144

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:453

約数の個数: 48

約数和(自身を含む): 157852800

約数和(自身を除く): 79634656

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 173, 199, 284, 346, 398, 568, 692, 796, 1136, 1384, 1592, 2272, 2768, 3184, 5536, 6368, 12283, 14129, 24566, 28258, 34427, 49132, 56516, 68854, 98264, 113032, 137708, 196528, 226064, 275416, 393056, 452128, 550832, 1101664, 2444317, 4888634, 9777268, 19554536, 39109072, 78218144]

約数ペア:

[(1, 78218144), (2, 39109072), (4, 19554536), (8, 9777268), (16, 4888634), (32, 2444317), (71, 1101664), (142, 550832), (173, 452128), (199, 393056), (284, 275416), (346, 226064), (398, 196528), (568, 137708), (692, 113032), (796, 98264), (1136, 68854), (1384, 56516), (1592, 49132), (2272, 34427), (2768, 28258), (3184, 24566), (5536, 14129), (6368, 12283)]