20161129219

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1\times {\mathrm{17401}}^1$

素因数の和:17827

約数の個数: 32

約数和(自身を含む): 25820669952

約数和(自身を除く): 5659540733

約数列:

[1, 7, 11, 41, 77, 287, 367, 451, 2569, 3157, 4037, 15047, 17401, 28259, 105329, 121807, 165517, 191411, 713441, 1158619, 1339877, 4994087, 6386167, 7847851, 44703169, 54934957, 70247837, 261832847, 491734859, 1832829929, 2880161317, 20161129219]

約数ペア:

[(1, 20161129219), (7, 2880161317), (11, 1832829929), (41, 491734859), (77, 261832847), (287, 70247837), (367, 54934957), (451, 44703169), (2569, 7847851), (3157, 6386167), (4037, 4994087), (15047, 1339877), (17401, 1158619), (28259, 713441), (105329, 191411), (121807, 165517)]