87978995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{773}}^1$

素因数の和:911

約数の個数: 32

約数和(自身を含む): 121709952

約数和(自身を除く): 33730957

約数列:

[1, 5, 13, 17, 65, 85, 103, 221, 515, 773, 1105, 1339, 1751, 3865, 6695, 8755, 10049, 13141, 22763, 50245, 65705, 79619, 113815, 170833, 398095, 854165, 1035047, 1353523, 5175235, 6767615, 17595799, 87978995]

約数ペア:

[(1, 87978995), (5, 17595799), (13, 6767615), (17, 5175235), (65, 1353523), (85, 1035047), (103, 854165), (221, 398095), (515, 170833), (773, 113815), (1105, 79619), (1339, 65705), (1751, 50245), (3865, 22763), (6695, 13141), (8755, 10049)]