215522776

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^2\times {\mathrm{1523}}^1$

素因数の和:1581

約数の個数: 72

約数和(自身を含む): 496450620

約数和(自身を除く): 280927844

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 361, 392, 532, 722, 931, 1064, 1444, 1523, 1862, 2527, 2888, 3046, 3724, 5054, 6092, 7448, 10108, 10661, 12184, 17689, 20216, 21322, 28937, 35378, 42644, 57874, 70756, 74627, 85288, 115748, 141512, 149254, 202559, 231496, 298508, 405118, 549803, 597016, 810236, 1099606, 1417913, 1620472, 2199212, 2835826, 3848621, 4398424, 5671652, 7697242, 11343304, 15394484, 26940347, 30788968, 53880694, 107761388, 215522776]

約数ペア:

[(1, 215522776), (2, 107761388), (4, 53880694), (7, 30788968), (8, 26940347), (14, 15394484), (19, 11343304), (28, 7697242), (38, 5671652), (49, 4398424), (56, 3848621), (76, 2835826), (98, 2199212), (133, 1620472), (152, 1417913), (196, 1099606), (266, 810236), (361, 597016), (392, 549803), (532, 405118), (722, 298508), (931, 231496), (1064, 202559), (1444, 149254), (1523, 141512), (1862, 115748), (2527, 85288), (2888, 74627), (3046, 70756), (3724, 57874), (5054, 42644), (6092, 35378), (7448, 28937), (10108, 21322), (10661, 20216), (12184, 17689)]