172986317

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2617}}^1$

素因数の和:2721

約数の個数: 24

約数和(自身を含む): 214885440

約数和(自身を除く): 41899123

約数列:

[1, 7, 19, 49, 71, 133, 497, 931, 1349, 2617, 3479, 9443, 18319, 49723, 66101, 128233, 185807, 348061, 1300649, 2436427, 3530333, 9104543, 24712331, 172986317]

約数ペア:

[(1, 172986317), (7, 24712331), (19, 9104543), (49, 3530333), (71, 2436427), (133, 1300649), (497, 348061), (931, 185807), (1349, 128233), (2617, 66101), (3479, 49723), (9443, 18319)]