81199807730

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{279999337}}^1$

素因数の和:279999373

約数の個数: 16

約数和(自身を含む): 151199642520

約数和(自身を除く): 69999834790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 279999337, 559998674, 1399996685, 2799993370, 8119980773, 16239961546, 40599903865, 81199807730]

約数ペア:

[(1, 81199807730), (2, 40599903865), (5, 16239961546), (10, 8119980773), (29, 2799993370), (58, 1399996685), (145, 559998674), (290, 279999337)]