81293884

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{599}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 168537600

約数和(自身を除く): 87243716

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 131, 148, 259, 262, 518, 524, 599, 917, 1036, 1198, 1834, 2396, 3668, 4193, 4847, 8386, 9694, 16772, 19388, 22163, 33929, 44326, 67858, 78469, 88652, 135716, 155141, 156938, 310282, 313876, 549283, 620564, 1098566, 2197132, 2903353, 5806706, 11613412, 20323471, 40646942, 81293884]

約数ペア:

[(1, 81293884), (2, 40646942), (4, 20323471), (7, 11613412), (14, 5806706), (28, 2903353), (37, 2197132), (74, 1098566), (131, 620564), (148, 549283), (259, 313876), (262, 310282), (518, 156938), (524, 155141), (599, 135716), (917, 88652), (1036, 78469), (1198, 67858), (1834, 44326), (2396, 33929), (3668, 22163), (4193, 19388), (4847, 16772), (8386, 9694)]