87678199

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{293}}^1$

素因数の和:535

約数の個数: 24

約数和(自身を含む): 106178688

約数和(自身を除く): 18500489

約数列:

[1, 7, 31, 49, 197, 217, 293, 1379, 1519, 2051, 6107, 9083, 9653, 14357, 42749, 57721, 63581, 299243, 404047, 445067, 1789351, 2828329, 12525457, 87678199]

約数ペア:

[(1, 87678199), (7, 12525457), (31, 2828329), (49, 1789351), (197, 445067), (217, 404047), (293, 299243), (1379, 63581), (1519, 57721), (2051, 42749), (6107, 14357), (9083, 9653)]