128795009

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47057}}^1$

素因数の和:47104

約数の個数: 16

約数和(自身を含む): 162632448

約数和(自身を除く): 33837439

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 47057, 329399, 799969, 1082311, 5599783, 7576177, 18399287, 128795009]

約数ペア:

[(1, 128795009), (7, 18399287), (17, 7576177), (23, 5599783), (119, 1082311), (161, 799969), (391, 329399), (2737, 47057)]