81641735

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3191}}^1$

素因数の和:3263

約数の個数: 32

約数和(自身を含む): 121347072

約数和(自身を除く): 39705337

約数列:

[1, 5, 7, 17, 35, 43, 85, 119, 215, 301, 595, 731, 1505, 3191, 3655, 5117, 15955, 22337, 25585, 54247, 111685, 137213, 271235, 379729, 686065, 960491, 1898645, 2332621, 4802455, 11663105, 16328347, 81641735]

約数ペア:

[(1, 81641735), (5, 16328347), (7, 11663105), (17, 4802455), (35, 2332621), (43, 1898645), (85, 960491), (119, 686065), (215, 379729), (301, 271235), (595, 137213), (731, 111685), (1505, 54247), (3191, 25585), (3655, 22337), (5117, 15955)]