81843730

素因数分解:

$2^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{8209}}^1$

素因数の和:9213

約数の個数: 16

約数和(自身を含む): 147484440

約数和(自身を除く): 65640710

約数列:

[1, 2, 5, 10, 997, 1994, 4985, 8209, 9970, 16418, 41045, 82090, 8184373, 16368746, 40921865, 81843730]

約数ペア:

[(1, 81843730), (2, 40921865), (5, 16368746), (10, 8184373), (997, 82090), (1994, 41045), (4985, 16418), (8209, 9970)]