7671980

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2297}}^1$

素因数の和:2473

約数の個数: 24

約数和(自身を含む): 16214688

約数和(自身を除く): 8542708

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 2297, 3340, 4594, 9188, 11485, 22970, 45940, 383599, 767198, 1534396, 1917995, 3835990, 7671980]

約数ペア:

[(1, 7671980), (2, 3835990), (4, 1917995), (5, 1534396), (10, 767198), (20, 383599), (167, 45940), (334, 22970), (668, 11485), (835, 9188), (1670, 4594), (2297, 3340)]