221785704

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1021}}^1$

素因数の和:1471

約数の個数: 96

約数和(自身を含む): 688746240

約数和(自身を除く): 466960536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 431, 504, 862, 1021, 1293, 1724, 2042, 2586, 3017, 3063, 3448, 3879, 4084, 5172, 6034, 6126, 7147, 7758, 8168, 9051, 9189, 10344, 12068, 12252, 14294, 15516, 18102, 18378, 21441, 24136, 24504, 27153, 28588, 31032, 36204, 36756, 42882, 54306, 57176, 64323, 72408, 73512, 85764, 108612, 128646, 171528, 217224, 257292, 440051, 514584, 880102, 1320153, 1760204, 2640306, 3080357, 3520408, 3960459, 5280612, 6160714, 7920918, 9241071, 10561224, 12321428, 15841836, 18482142, 24642856, 27723213, 31683672, 36964284, 55446426, 73928568, 110892852, 221785704]

約数ペア:

[(1, 221785704), (2, 110892852), (3, 73928568), (4, 55446426), (6, 36964284), (7, 31683672), (8, 27723213), (9, 24642856), (12, 18482142), (14, 15841836), (18, 12321428), (21, 10561224), (24, 9241071), (28, 7920918), (36, 6160714), (42, 5280612), (56, 3960459), (63, 3520408), (72, 3080357), (84, 2640306), (126, 1760204), (168, 1320153), (252, 880102), (431, 514584), (504, 440051), (862, 257292), (1021, 217224), (1293, 171528), (1724, 128646), (2042, 108612), (2586, 85764), (3017, 73512), (3063, 72408), (3448, 64323), (3879, 57176), (4084, 54306), (5172, 42882), (6034, 36756), (6126, 36204), (7147, 31032), (7758, 28588), (8168, 27153), (9051, 24504), (9189, 24136), (10344, 21441), (12068, 18378), (12252, 18102), (14294, 15516)]