81216912

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{4933}}^1$

素因数の和:4965

約数の個数: 80

約数和(自身を含む): 244726400

約数和(自身を除く): 163509488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 294, 336, 343, 392, 588, 686, 784, 1029, 1176, 1372, 2058, 2352, 2744, 4116, 4933, 5488, 8232, 9866, 14799, 16464, 19732, 29598, 34531, 39464, 59196, 69062, 78928, 103593, 118392, 138124, 207186, 236784, 241717, 276248, 414372, 483434, 552496, 725151, 828744, 966868, 1450302, 1657488, 1692019, 1933736, 2900604, 3384038, 3867472, 5076057, 5801208, 6768076, 10152114, 11602416, 13536152, 20304228, 27072304, 40608456, 81216912]

約数ペア:

[(1, 81216912), (2, 40608456), (3, 27072304), (4, 20304228), (6, 13536152), (7, 11602416), (8, 10152114), (12, 6768076), (14, 5801208), (16, 5076057), (21, 3867472), (24, 3384038), (28, 2900604), (42, 1933736), (48, 1692019), (49, 1657488), (56, 1450302), (84, 966868), (98, 828744), (112, 725151), (147, 552496), (168, 483434), (196, 414372), (294, 276248), (336, 241717), (343, 236784), (392, 207186), (588, 138124), (686, 118392), (784, 103593), (1029, 78928), (1176, 69062), (1372, 59196), (2058, 39464), (2352, 34531), (2744, 29598), (4116, 19732), (4933, 16464), (5488, 14799), (8232, 9866)]