128575505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{3593}}^1$

素因数の和:4036

約数の個数: 16

約数和(自身を含む): 163800144

約数和(自身を除く): 35224639

約数列:

[1, 5, 17, 85, 421, 2105, 3593, 7157, 17965, 35785, 61081, 305405, 1512653, 7563265, 25715101, 128575505]

約数ペア:

[(1, 128575505), (5, 25715101), (17, 7563265), (85, 1512653), (421, 305405), (2105, 61081), (3593, 35785), (7157, 17965)]