26780117

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2473}}^1$

素因数の和:2517

約数の個数: 24

約数和(自身を含む): 35536536

約数和(自身を除く): 8756419

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 2473, 10829, 17311, 32149, 42041, 121177, 225043, 294287, 546533, 1575301, 2060009, 3825731, 26780117]

約数ペア:

[(1, 26780117), (7, 3825731), (13, 2060009), (17, 1575301), (49, 546533), (91, 294287), (119, 225043), (221, 121177), (637, 42041), (833, 32149), (1547, 17311), (2473, 10829)]