128798887

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1\times {\mathrm{977}}^1$

素因数の和:1530

約数の個数: 16

約数和(自身を含む): 151629120

約数和(自身を除く): 22830233

約数列:

[1, 7, 37, 259, 509, 977, 3563, 6839, 18833, 36149, 131831, 253043, 497293, 3481051, 18399841, 128798887]

約数ペア:

[(1, 128798887), (7, 18399841), (37, 3481051), (259, 497293), (509, 253043), (977, 131831), (3563, 36149), (6839, 18833)]