78893087

素因数分解:

$7^3\times {\mathrm{13}}^2\times {\mathrm{1361}}^1$

素因数の和:1408

約数の個数: 24

約数和(自身を含む): 99698400

約数和(自身を除く): 20805313

約数列:

[1, 7, 13, 49, 91, 169, 343, 637, 1183, 1361, 4459, 8281, 9527, 17693, 57967, 66689, 123851, 230009, 466823, 866957, 1610063, 6068699, 11270441, 78893087]

約数ペア:

[(1, 78893087), (7, 11270441), (13, 6068699), (49, 1610063), (91, 866957), (169, 466823), (343, 230009), (637, 123851), (1183, 66689), (1361, 57967), (4459, 17693), (8281, 9527)]