81447608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{2957}}^1$

素因数の和:3287

約数の個数: 32

約数和(自身を含む): 167186160

約数和(自身を除く): 85738552

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 313, 626, 1252, 2504, 2957, 3443, 5914, 6886, 11828, 13772, 23656, 27544, 32527, 65054, 130108, 260216, 925541, 1851082, 3702164, 7404328, 10180951, 20361902, 40723804, 81447608]

約数ペア:

[(1, 81447608), (2, 40723804), (4, 20361902), (8, 10180951), (11, 7404328), (22, 3702164), (44, 1851082), (88, 925541), (313, 260216), (626, 130108), (1252, 65054), (2504, 32527), (2957, 27544), (3443, 23656), (5914, 13772), (6886, 11828)]