163933730

素因数分解:

$2^1\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{8209}}^1$

素因数の和:10213

約数の個数: 16

約数和(自身を含む): 295264440

約数和(自身を除く): 131330710

約数列:

[1, 2, 5, 10, 1997, 3994, 8209, 9985, 16418, 19970, 41045, 82090, 16393373, 32786746, 81966865, 163933730]

約数ペア:

[(1, 163933730), (2, 81966865), (5, 32786746), (10, 16393373), (1997, 82090), (3994, 41045), (8209, 19970), (9985, 16418)]