247679341

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6961}}^1$

素因数の和:7021

約数の個数: 32

約数和(自身を含む): 336849408

約数和(自身を除く): 89170067

約数列:

[1, 7, 13, 17, 23, 91, 119, 161, 221, 299, 391, 1547, 2093, 2737, 5083, 6961, 35581, 48727, 90493, 118337, 160103, 633451, 828359, 1120721, 1538381, 2081339, 2721751, 10768667, 14569373, 19052257, 35382763, 247679341]

約数ペア:

[(1, 247679341), (7, 35382763), (13, 19052257), (17, 14569373), (23, 10768667), (91, 2721751), (119, 2081339), (161, 1538381), (221, 1120721), (299, 828359), (391, 633451), (1547, 160103), (2093, 118337), (2737, 90493), (5083, 48727), (6961, 35581)]