258739418

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{1451}}^1$

素因数の和:1778

約数の個数: 32

約数和(自身を含む): 454975488

約数和(自身を除く): 196236070

約数列:

[1, 2, 7, 14, 47, 94, 271, 329, 542, 658, 1451, 1897, 2902, 3794, 10157, 12737, 20314, 25474, 68197, 89159, 136394, 178318, 393221, 477379, 786442, 954758, 2752547, 5505094, 18481387, 36962774, 129369709, 258739418]

約数ペア:

[(1, 258739418), (2, 129369709), (7, 36962774), (14, 18481387), (47, 5505094), (94, 2752547), (271, 954758), (329, 786442), (542, 477379), (658, 393221), (1451, 178318), (1897, 136394), (2902, 89159), (3794, 68197), (10157, 25474), (12737, 20314)]