128440207

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{2287}}^1$

素因数の和:2478

約数の個数: 16

約数和(自身を含む): 150239232

約数和(自身を除く): 21799025

約数列:

[1, 7, 71, 113, 497, 791, 2287, 8023, 16009, 56161, 162377, 258431, 1136639, 1809017, 18348601, 128440207]

約数ペア:

[(1, 128440207), (7, 18348601), (71, 1809017), (113, 1136639), (497, 258431), (791, 162377), (2287, 56161), (8023, 16009)]