258327232528

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{393791513}}^1$

素因数の和:393791562

約数の個数: 20

約数和(自身を含む): 512716551228

約数和(自身を除く): 254389318700

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 393791513, 787583026, 1575166052, 3150332104, 6300664208, 16145452033, 32290904066, 64581808132, 129163616264, 258327232528]

約数ペア:

[(1, 258327232528), (2, 129163616264), (4, 64581808132), (8, 32290904066), (16, 16145452033), (41, 6300664208), (82, 3150332104), (164, 1575166052), (328, 787583026), (656, 393791513)]