81238432

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{20981}}^1$

素因数の和:21013

約数の個数: 36

約数和(自身を含む): 175808178

約数和(自身を除く): 94569746

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872, 20981, 41962, 83924, 167848, 230791, 335696, 461582, 671392, 923164, 1846328, 2538701, 3692656, 5077402, 7385312, 10154804, 20309608, 40619216, 81238432]

約数ペア:

[(1, 81238432), (2, 40619216), (4, 20309608), (8, 10154804), (11, 7385312), (16, 5077402), (22, 3692656), (32, 2538701), (44, 1846328), (88, 923164), (121, 671392), (176, 461582), (242, 335696), (352, 230791), (484, 167848), (968, 83924), (1936, 41962), (3872, 20981)]