128691485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1\times {\mathrm{2039}}^1$

素因数の和:3028

約数の個数: 16

約数和(自身を含む): 166561920

約数和(自身を除く): 37870435

約数列:

[1, 5, 13, 65, 971, 2039, 4855, 10195, 12623, 26507, 63115, 132535, 1979869, 9899345, 25738297, 128691485]

約数ペア:

[(1, 128691485), (5, 25738297), (13, 9899345), (65, 1979869), (971, 132535), (2039, 63115), (4855, 26507), (10195, 12623)]