261906554

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1439047}}^1$

素因数の和:1439069

約数の個数: 16

約数和(自身を含む): 483520128

約数和(自身を除く): 221613574

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 1439047, 2878094, 10073329, 18707611, 20146658, 37415222, 130953277, 261906554]

約数ペア:

[(1, 261906554), (2, 130953277), (7, 37415222), (13, 20146658), (14, 18707611), (26, 10073329), (91, 2878094), (182, 1439047)]