81159216

素因数分解:

$2^4\times 3^1\times {\mathrm{131}}^1\times {\mathrm{12907}}^1$

素因数の和:13049

約数の個数: 40

約数和(自身を含む): 211278144

約数和(自身を除く): 130118928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 131, 262, 393, 524, 786, 1048, 1572, 2096, 3144, 6288, 12907, 25814, 38721, 51628, 77442, 103256, 154884, 206512, 309768, 619536, 1690817, 3381634, 5072451, 6763268, 10144902, 13526536, 20289804, 27053072, 40579608, 81159216]

約数ペア:

[(1, 81159216), (2, 40579608), (3, 27053072), (4, 20289804), (6, 13526536), (8, 10144902), (12, 6763268), (16, 5072451), (24, 3381634), (48, 1690817), (131, 619536), (262, 309768), (393, 206512), (524, 154884), (786, 103256), (1048, 77442), (1572, 51628), (2096, 38721), (3144, 25814), (6288, 12907)]