81485856

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{9127}}^1$

素因数の和:9174

約数の個数: 72

約数和(自身を含む): 239226624

約数和(自身を除く): 157740768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2976, 4464, 8928, 9127, 18254, 27381, 36508, 54762, 73016, 82143, 109524, 146032, 164286, 219048, 282937, 292064, 328572, 438096, 565874, 657144, 848811, 876192, 1131748, 1314288, 1697622, 2263496, 2546433, 2628576, 3395244, 4526992, 5092866, 6790488, 9053984, 10185732, 13580976, 20371464, 27161952, 40742928, 81485856]

約数ペア:

[(1, 81485856), (2, 40742928), (3, 27161952), (4, 20371464), (6, 13580976), (8, 10185732), (9, 9053984), (12, 6790488), (16, 5092866), (18, 4526992), (24, 3395244), (31, 2628576), (32, 2546433), (36, 2263496), (48, 1697622), (62, 1314288), (72, 1131748), (93, 876192), (96, 848811), (124, 657144), (144, 565874), (186, 438096), (248, 328572), (279, 292064), (288, 282937), (372, 219048), (496, 164286), (558, 146032), (744, 109524), (992, 82143), (1116, 73016), (1488, 54762), (2232, 36508), (2976, 27381), (4464, 18254), (8928, 9127)]