81907156

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{2719}}^1$

素因数の和:3183

約数の個数: 24

約数和(自身を含む): 152167680

約数和(自身を除く): 70260524

約数列:

[1, 2, 4, 17, 34, 68, 443, 886, 1772, 2719, 5438, 7531, 10876, 15062, 30124, 46223, 92446, 184892, 1204517, 2409034, 4818068, 20476789, 40953578, 81907156]

約数ペア:

[(1, 81907156), (2, 40953578), (4, 20476789), (17, 4818068), (34, 2409034), (68, 1204517), (443, 184892), (886, 92446), (1772, 46223), (2719, 30124), (5438, 15062), (7531, 10876)]