25639341

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4943}}^1$

素因数の和:4985

約数の個数: 32

約数和(自身を含む): 44298240

約数和(自身を除く): 18658899

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 4943, 5187, 14829, 34601, 64259, 93917, 103803, 192777, 281751, 449813, 657419, 1220921, 1349439, 1972257, 3662763, 8546447, 25639341]

約数ペア:

[(1, 25639341), (3, 8546447), (7, 3662763), (13, 1972257), (19, 1349439), (21, 1220921), (39, 657419), (57, 449813), (91, 281751), (133, 192777), (247, 103803), (273, 93917), (399, 64259), (741, 34601), (1729, 14829), (4943, 5187)]