31988278

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{5351}}^1$

素因数の和:5428

約数の個数: 24

約数和(自身を含む): 56741904

約数和(自身を除く): 24753626

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 427, 854, 2989, 5351, 5978, 10702, 37457, 74914, 262199, 326411, 524398, 652822, 2284877, 4569754, 15994139, 31988278]

約数ペア:

[(1, 31988278), (2, 15994139), (7, 4569754), (14, 2284877), (49, 652822), (61, 524398), (98, 326411), (122, 262199), (427, 74914), (854, 37457), (2989, 10702), (5351, 5978)]