81147164

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{22123}}^1$

素因数の和:22265

約数の個数: 24

約数和(自身を含む): 163540608

約数和(自身を除く): 82393444

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 22123, 44246, 88492, 154861, 309722, 619444, 2898113, 5796226, 11592452, 20286791, 40573582, 81147164]

約数ペア:

[(1, 81147164), (2, 40573582), (4, 20286791), (7, 11592452), (14, 5796226), (28, 2898113), (131, 619444), (262, 309722), (524, 154861), (917, 88492), (1834, 44246), (3668, 22123)]