398257249

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{22811}}^1$

素因数の和:22920

約数の個数: 16

約数和(自身を含む): 459889920

約数和(自身を除く): 61632671

約数列:

[1, 13, 17, 79, 221, 1027, 1343, 17459, 22811, 296543, 387787, 1802069, 5041231, 23426897, 30635173, 398257249]

約数ペア:

[(1, 398257249), (13, 30635173), (17, 23426897), (79, 5041231), (221, 1802069), (1027, 387787), (1343, 296543), (17459, 22811)]