81903304

素因数分解:

$2^3\times 7^2\times {\mathrm{43}}^2\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 184510710

約数和(自身を除く): 102607406

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 49, 56, 86, 98, 113, 172, 196, 226, 301, 344, 392, 452, 602, 791, 904, 1204, 1582, 1849, 2107, 2408, 3164, 3698, 4214, 4859, 5537, 6328, 7396, 8428, 9718, 11074, 12943, 14792, 16856, 19436, 22148, 25886, 34013, 38872, 44296, 51772, 68026, 90601, 103544, 136052, 181202, 208937, 238091, 272104, 362404, 417874, 476182, 724808, 835748, 952364, 1462559, 1671496, 1904728, 2925118, 5850236, 10237913, 11700472, 20475826, 40951652, 81903304]

約数ペア:

[(1, 81903304), (2, 40951652), (4, 20475826), (7, 11700472), (8, 10237913), (14, 5850236), (28, 2925118), (43, 1904728), (49, 1671496), (56, 1462559), (86, 952364), (98, 835748), (113, 724808), (172, 476182), (196, 417874), (226, 362404), (301, 272104), (344, 238091), (392, 208937), (452, 181202), (602, 136052), (791, 103544), (904, 90601), (1204, 68026), (1582, 51772), (1849, 44296), (2107, 38872), (2408, 34013), (3164, 25886), (3698, 22148), (4214, 19436), (4859, 16856), (5537, 14792), (6328, 12943), (7396, 11074), (8428, 9718)]