81548672

素因数分解:

$2^7\times {\mathrm{41}}^2\times {\mathrm{379}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 166958700

約数和(自身を除く): 85410028

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 328, 379, 656, 758, 1312, 1516, 1681, 2624, 3032, 3362, 5248, 6064, 6724, 12128, 13448, 15539, 24256, 26896, 31078, 48512, 53792, 62156, 107584, 124312, 215168, 248624, 497248, 637099, 994496, 1274198, 1988992, 2548396, 5096792, 10193584, 20387168, 40774336, 81548672]

約数ペア:

[(1, 81548672), (2, 40774336), (4, 20387168), (8, 10193584), (16, 5096792), (32, 2548396), (41, 1988992), (64, 1274198), (82, 994496), (128, 637099), (164, 497248), (328, 248624), (379, 215168), (656, 124312), (758, 107584), (1312, 62156), (1516, 53792), (1681, 48512), (2624, 31078), (3032, 26896), (3362, 24256), (5248, 15539), (6064, 13448), (6724, 12128)]