128928744

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{521}}^1$

素因数の和:1031

約数の個数: 96

約数和(自身を含む): 400645440

約数和(自身を除く): 271716696

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, 491, 504, 521, 982, 1042, 1473, 1563, 1964, 2084, 2946, 3126, 3437, 3647, 3928, 4168, 4419, 4689, 5892, 6252, 6874, 7294, 8838, 9378, 10311, 10941, 11784, 12504, 13748, 14588, 17676, 18756, 20622, 21882, 27496, 29176, 30933, 32823, 35352, 37512, 41244, 43764, 61866, 65646, 82488, 87528, 123732, 131292, 247464, 255811, 262584, 511622, 767433, 1023244, 1534866, 1790677, 2046488, 2302299, 3069732, 3581354, 4604598, 5372031, 6139464, 7162708, 9209196, 10744062, 14325416, 16116093, 18418392, 21488124, 32232186, 42976248, 64464372, 128928744]

約数ペア:

[(1, 128928744), (2, 64464372), (3, 42976248), (4, 32232186), (6, 21488124), (7, 18418392), (8, 16116093), (9, 14325416), (12, 10744062), (14, 9209196), (18, 7162708), (21, 6139464), (24, 5372031), (28, 4604598), (36, 3581354), (42, 3069732), (56, 2302299), (63, 2046488), (72, 1790677), (84, 1534866), (126, 1023244), (168, 767433), (252, 511622), (491, 262584), (504, 255811), (521, 247464), (982, 131292), (1042, 123732), (1473, 87528), (1563, 82488), (1964, 65646), (2084, 61866), (2946, 43764), (3126, 41244), (3437, 37512), (3647, 35352), (3928, 32823), (4168, 30933), (4419, 29176), (4689, 27496), (5892, 21882), (6252, 20622), (6874, 18756), (7294, 17676), (8838, 14588), (9378, 13748), (10311, 12504), (10941, 11784)]