25939966

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 43263360

約数和(自身を除く): 17323394

約数列:

[1, 2, 13, 26, 73, 79, 146, 158, 173, 346, 949, 1027, 1898, 2054, 2249, 4498, 5767, 11534, 12629, 13667, 25258, 27334, 74971, 149942, 164177, 177671, 328354, 355342, 997691, 1995382, 12969983, 25939966]

約数ペア:

[(1, 25939966), (2, 12969983), (13, 1995382), (26, 997691), (73, 355342), (79, 328354), (146, 177671), (158, 164177), (173, 149942), (346, 74971), (949, 27334), (1027, 25258), (1898, 13667), (2054, 12629), (2249, 11534), (4498, 5767)]