65525225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2909}}^1$

素因数の和:2989

約数の個数: 24

約数和(自身を含む): 87684120

約数和(自身を除く): 22158895

約数列:

[1, 5, 17, 25, 53, 85, 265, 425, 901, 1325, 2909, 4505, 14545, 22525, 49453, 72725, 154177, 247265, 770885, 1236325, 2621009, 3854425, 13105045, 65525225]

約数ペア:

[(1, 65525225), (5, 13105045), (17, 3854425), (25, 2621009), (53, 1236325), (85, 770885), (265, 247265), (425, 154177), (901, 72725), (1325, 49453), (2909, 22525), (4505, 14545)]