255008

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:636

約数の個数: 24

約数和(自身を含む): 541548

約数和(自身を除く): 286540

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 613, 1226, 2452, 4904, 7969, 9808, 15938, 19616, 31876, 63752, 127504, 255008]

約数ペア:

[(1, 255008), (2, 127504), (4, 63752), (8, 31876), (13, 19616), (16, 15938), (26, 9808), (32, 7969), (52, 4904), (104, 2452), (208, 1226), (416, 613)]