25122214

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 17455706

約数列:

[1, 2, 13, 26, 31, 62, 71, 142, 403, 439, 806, 878, 923, 1846, 2201, 4402, 5707, 11414, 13609, 27218, 28613, 31169, 57226, 62338, 176917, 353834, 405197, 810394, 966239, 1932478, 12561107, 25122214]

約数ペア:

[(1, 25122214), (2, 12561107), (13, 1932478), (26, 966239), (31, 810394), (62, 405197), (71, 353834), (142, 176917), (403, 62338), (439, 57226), (806, 31169), (878, 28613), (923, 27218), (1846, 13609), (2201, 11414), (4402, 5707)]