66883895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1747}}^1$

素因数の和:1815

約数の個数: 32

約数和(自身を含む): 93972480

約数和(自身を除く): 27088585

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 403, 589, 1235, 1747, 2015, 2945, 7657, 8735, 22711, 33193, 38285, 54157, 113555, 165965, 270785, 431509, 704041, 1028983, 2157545, 3520205, 5144915, 13376779, 66883895]

約数ペア:

[(1, 66883895), (5, 13376779), (13, 5144915), (19, 3520205), (31, 2157545), (65, 1028983), (95, 704041), (155, 431509), (247, 270785), (403, 165965), (589, 113555), (1235, 54157), (1747, 38285), (2015, 33193), (2945, 22711), (7657, 8735)]