81180628

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{739}}^1\times {\mathrm{947}}^1$

素因数の和:1719

約数の個数: 24

約数和(自身を含む): 147319200

約数和(自身を除く): 66138572

約数列:

[1, 2, 4, 29, 58, 116, 739, 947, 1478, 1894, 2956, 3788, 21431, 27463, 42862, 54926, 85724, 109852, 699833, 1399666, 2799332, 20295157, 40590314, 81180628]

約数ペア:

[(1, 81180628), (2, 40590314), (4, 20295157), (29, 2799332), (58, 1399666), (116, 699833), (739, 109852), (947, 85724), (1478, 54926), (1894, 42862), (2956, 27463), (3788, 21431)]