251032656

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1381}}^1$

素因数の和:1940

約数の個数: 80

約数和(自身を含む): 743051648

約数和(自身を除く): 492018992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 541, 1082, 1381, 1623, 2164, 2762, 3246, 3787, 4143, 4328, 5524, 6492, 7574, 8286, 8656, 9667, 11048, 11361, 12984, 15148, 16572, 19334, 22096, 22722, 25968, 29001, 30296, 33144, 38668, 45444, 58002, 60592, 66288, 77336, 90888, 116004, 154672, 181776, 232008, 464016, 747121, 1494242, 2241363, 2988484, 4482726, 5229847, 5976968, 8965452, 10459694, 11953936, 15689541, 17930904, 20919388, 31379082, 35861808, 41838776, 62758164, 83677552, 125516328, 251032656]

約数ペア:

[(1, 251032656), (2, 125516328), (3, 83677552), (4, 62758164), (6, 41838776), (7, 35861808), (8, 31379082), (12, 20919388), (14, 17930904), (16, 15689541), (21, 11953936), (24, 10459694), (28, 8965452), (42, 5976968), (48, 5229847), (56, 4482726), (84, 2988484), (112, 2241363), (168, 1494242), (336, 747121), (541, 464016), (1082, 232008), (1381, 181776), (1623, 154672), (2164, 116004), (2762, 90888), (3246, 77336), (3787, 66288), (4143, 60592), (4328, 58002), (5524, 45444), (6492, 38668), (7574, 33144), (8286, 30296), (8656, 29001), (9667, 25968), (11048, 22722), (11361, 22096), (12984, 19334), (15148, 16572)]