81251156

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{2129}}^1$

素因数の和:2216

約数の個数: 48

約数和(自身を含む): 171763200

約数和(自身を除く): 90512044

約数列:

[1, 2, 4, 7, 14, 28, 29, 47, 58, 94, 116, 188, 203, 329, 406, 658, 812, 1316, 1363, 2129, 2726, 4258, 5452, 8516, 9541, 14903, 19082, 29806, 38164, 59612, 61741, 100063, 123482, 200126, 246964, 400252, 432187, 700441, 864374, 1400882, 1728748, 2801764, 2901827, 5803654, 11607308, 20312789, 40625578, 81251156]

約数ペア:

[(1, 81251156), (2, 40625578), (4, 20312789), (7, 11607308), (14, 5803654), (28, 2901827), (29, 2801764), (47, 1728748), (58, 1400882), (94, 864374), (116, 700441), (188, 432187), (203, 400252), (329, 246964), (406, 200126), (658, 123482), (812, 100063), (1316, 61741), (1363, 59612), (2129, 38164), (2726, 29806), (4258, 19082), (5452, 14903), (8516, 9541)]