64157995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{2909}}^1$

素因数の和:3326

約数の個数: 16

約数和(自身を含む): 84227040

約数和(自身を除く): 20069045

約数列:

[1, 5, 11, 55, 401, 2005, 2909, 4411, 14545, 22055, 31999, 159995, 1166509, 5832545, 12831599, 64157995]

約数ペア:

[(1, 64157995), (5, 12831599), (11, 5832545), (55, 1166509), (401, 159995), (2005, 31999), (2909, 22055), (4411, 14545)]