340561

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:120

約数の個数: 16

約数和(自身を含む): 411264

約数和(自身を除く): 70703

約数列:

[1, 13, 17, 23, 67, 221, 299, 391, 871, 1139, 1541, 5083, 14807, 20033, 26197, 340561]

約数ペア:

[(1, 340561), (13, 26197), (17, 20033), (23, 14807), (67, 5083), (221, 1541), (299, 1139), (391, 871)]