81945602

素因数分解:

$2^1\times {\mathrm{37}}^2\times {\mathrm{173}}^2$

素因数の和:422

約数の個数: 18

約数和(自身を含む): 127064763

約数和(自身を除く): 45119161

約数列:

[1, 2, 37, 74, 173, 346, 1369, 2738, 6401, 12802, 29929, 59858, 236837, 473674, 1107373, 2214746, 40972801, 81945602]

約数ペア:

[(1, 81945602), (2, 40972801), (37, 2214746), (74, 1107373), (173, 473674), (346, 236837), (1369, 59858), (2738, 29929), (6401, 12802)]