289079570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{171053}}^1$

素因数の和:171086

約数の個数: 24

約数和(自身を含む): 563451876

約数和(自身を除く): 274372306

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 171053, 342106, 855265, 1710530, 2223689, 4447378, 11118445, 22236890, 28907957, 57815914, 144539785, 289079570]

約数ペア:

[(1, 289079570), (2, 144539785), (5, 57815914), (10, 28907957), (13, 22236890), (26, 11118445), (65, 4447378), (130, 2223689), (169, 1710530), (338, 855265), (845, 342106), (1690, 171053)]