66347905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1733}}^1$

素因数の和:1801

約数の個数: 32

約数和(自身を含む): 93219840

約数和(自身を除く): 26871935

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 403, 589, 1235, 1733, 2015, 2945, 7657, 8665, 22529, 32927, 38285, 53723, 112645, 164635, 268615, 428051, 698399, 1020737, 2140255, 3491995, 5103685, 13269581, 66347905]

約数ペア:

[(1, 66347905), (5, 13269581), (13, 5103685), (19, 3491995), (31, 2140255), (65, 1020737), (95, 698399), (155, 428051), (247, 268615), (403, 164635), (589, 112645), (1235, 53723), (1733, 38285), (2015, 32927), (2945, 22529), (7657, 8665)]