289206905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{143527}}^1$

素因数の和:143576

約数の個数: 16

約数和(自身を含む): 385803264

約数和(自身を除く): 96596359

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 143527, 717635, 1865851, 4449337, 9329255, 22246685, 57841381, 289206905]

約数ペア:

[(1, 289206905), (5, 57841381), (13, 22246685), (31, 9329255), (65, 4449337), (155, 1865851), (403, 717635), (2015, 143527)]