890242568

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 1791590400

約数和(自身を除く): 901347832

約数列:

[1, 2, 4, 8, 19, 38, 76, 107, 127, 152, 214, 254, 428, 431, 508, 856, 862, 1016, 1724, 2033, 2413, 3448, 4066, 4826, 8132, 8189, 9652, 13589, 16264, 16378, 19304, 27178, 32756, 46117, 54356, 54737, 65512, 92234, 108712, 109474, 184468, 218948, 258191, 368936, 437896, 516382, 876223, 1032764, 1040003, 1752446, 2065528, 2080006, 3504892, 4160012, 5856859, 7009784, 8320024, 11713718, 23427436, 46854872, 111280321, 222560642, 445121284, 890242568]

約数ペア:

[(1, 890242568), (2, 445121284), (4, 222560642), (8, 111280321), (19, 46854872), (38, 23427436), (76, 11713718), (107, 8320024), (127, 7009784), (152, 5856859), (214, 4160012), (254, 3504892), (428, 2080006), (431, 2065528), (508, 1752446), (856, 1040003), (862, 1032764), (1016, 876223), (1724, 516382), (2033, 437896), (2413, 368936), (3448, 258191), (4066, 218948), (4826, 184468), (8132, 109474), (8189, 108712), (9652, 92234), (13589, 65512), (16264, 54737), (16378, 54356), (19304, 46117), (27178, 32756)]