163684190

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{40819}}^1$

素因数の和:41227

約数の個数: 16

約数和(自身を含む): 295373520

約数和(自身を除く): 131689330

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 40819, 81638, 204095, 408190, 16368419, 32736838, 81842095, 163684190]

約数ペア:

[(1, 163684190), (2, 81842095), (5, 32736838), (10, 16368419), (401, 408190), (802, 204095), (2005, 81638), (4010, 40819)]