81265228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{2927}}^1$

素因数の和:3573

約数の個数: 24

約数和(自身を含む): 155441664

約数和(自身を除く): 74176436

約数列:

[1, 2, 4, 11, 22, 44, 631, 1262, 2524, 2927, 5854, 6941, 11708, 13882, 27764, 32197, 64394, 128788, 1846937, 3693874, 7387748, 20316307, 40632614, 81265228]

約数ペア:

[(1, 81265228), (2, 40632614), (4, 20316307), (11, 7387748), (22, 3693874), (44, 1846937), (631, 128788), (1262, 64394), (2524, 32197), (2927, 27764), (5854, 13882), (6941, 11708)]