66621325

素因数分解:

$5^2\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:178

約数の個数: 36

約数和(自身を含む): 88655040

約数和(自身を除く): 22033715

約数列:

[1, 5, 25, 31, 47, 59, 155, 235, 295, 775, 961, 1175, 1457, 1475, 1829, 2773, 4805, 7285, 9145, 13865, 24025, 36425, 45167, 45725, 56699, 69325, 85963, 225835, 283495, 429815, 1129175, 1417475, 2149075, 2664853, 13324265, 66621325]

約数ペア:

[(1, 66621325), (5, 13324265), (25, 2664853), (31, 2149075), (47, 1417475), (59, 1129175), (155, 429815), (235, 283495), (295, 225835), (775, 85963), (961, 69325), (1175, 56699), (1457, 45725), (1475, 45167), (1829, 36425), (2773, 24025), (4805, 13865), (7285, 9145)]