20161121141

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{1259}}^1\times {\mathrm{6337}}^1$

素因数の和:7641

約数の個数: 24

約数和(自身を含む): 24340962240

約数和(自身を除く): 4179841099

約数列:

[1, 7, 19, 133, 361, 1259, 2527, 6337, 8813, 23921, 44359, 120403, 167447, 454499, 842821, 2287657, 3181493, 7978283, 16013599, 55847981, 151587377, 1061111639, 2880160163, 20161121141]

約数ペア:

[(1, 20161121141), (7, 2880160163), (19, 1061111639), (133, 151587377), (361, 55847981), (1259, 16013599), (2527, 7978283), (6337, 3181493), (8813, 2287657), (23921, 842821), (44359, 454499), (120403, 167447)]