173880025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1223}}^1$

素因数の和:1302

約数の個数: 36

約数和(自身を含む): 242234496

約数和(自身を除く): 68354471

約数列:

[1, 5, 11, 25, 47, 55, 121, 235, 275, 517, 605, 1175, 1223, 2585, 3025, 5687, 6115, 12925, 13453, 28435, 30575, 57481, 67265, 142175, 147983, 287405, 336325, 632291, 739915, 1437025, 3161455, 3699575, 6955201, 15807275, 34776005, 173880025]

約数ペア:

[(1, 173880025), (5, 34776005), (11, 15807275), (25, 6955201), (47, 3699575), (55, 3161455), (121, 1437025), (235, 739915), (275, 632291), (517, 336325), (605, 287405), (1175, 147983), (1223, 142175), (2585, 67265), (3025, 57481), (5687, 30575), (6115, 28435), (12925, 13453)]