128387615

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1\times {\mathrm{827}}^1$

素因数の和:1402

約数の個数: 16

約数和(自身を含む): 157088160

約数和(自身を除く): 28700545

約数列:

[1, 5, 61, 305, 509, 827, 2545, 4135, 31049, 50447, 155245, 252235, 420943, 2104715, 25677523, 128387615]

約数ペア:

[(1, 128387615), (5, 25677523), (61, 2104715), (305, 420943), (509, 252235), (827, 155245), (2545, 50447), (4135, 31049)]