81042556

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1279}}^1$

素因数の和:1394

約数の個数: 48

約数和(自身を含む): 169738240

約数和(自身を除く): 88695684

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 73, 124, 146, 217, 292, 434, 511, 868, 1022, 1279, 2044, 2263, 2558, 4526, 5116, 8953, 9052, 15841, 17906, 31682, 35812, 39649, 63364, 79298, 93367, 158596, 186734, 277543, 373468, 555086, 653569, 1110172, 1307138, 2614276, 2894377, 5788754, 11577508, 20260639, 40521278, 81042556]

約数ペア:

[(1, 81042556), (2, 40521278), (4, 20260639), (7, 11577508), (14, 5788754), (28, 2894377), (31, 2614276), (62, 1307138), (73, 1110172), (124, 653569), (146, 555086), (217, 373468), (292, 277543), (434, 186734), (511, 158596), (868, 93367), (1022, 79298), (1279, 63364), (2044, 39649), (2263, 35812), (2558, 31682), (4526, 17906), (5116, 15841), (8953, 9052)]