13157039

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 16251840

約数和(自身を除く): 3094801

約数列:

[1, 7, 29, 47, 49, 197, 203, 329, 1363, 1379, 1421, 2303, 5713, 9259, 9541, 9653, 39991, 64813, 66787, 268511, 279937, 453691, 1879577, 13157039]

約数ペア:

[(1, 13157039), (7, 1879577), (29, 453691), (47, 279937), (49, 268511), (197, 66787), (203, 64813), (329, 39991), (1363, 9653), (1379, 9541), (1421, 9259), (2303, 5713)]