128304815

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{2293}}^1$

素因数の和:2367

約数の個数: 24

約数和(自身を含む): 167810688

約数和(自身を除く): 39505873

約数列:

[1, 5, 19, 31, 95, 155, 361, 589, 1805, 2293, 2945, 11191, 11465, 43567, 55955, 71083, 217835, 355415, 827773, 1350577, 4138865, 6752885, 25660963, 128304815]

約数ペア:

[(1, 128304815), (5, 25660963), (19, 6752885), (31, 4138865), (95, 1350577), (155, 827773), (361, 355415), (589, 217835), (1805, 71083), (2293, 55955), (2945, 43567), (11191, 11465)]