66840865

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3583}}^1$

素因数の和:3649

約数の個数: 32

約数和(自身を含む): 101154816

約数和(自身を除く): 34313951

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 205, 287, 455, 533, 1435, 2665, 3583, 3731, 17915, 18655, 25081, 46579, 125405, 146903, 232895, 326053, 734515, 1028321, 1630265, 1909739, 5141605, 9548695, 13368173, 66840865]

約数ペア:

[(1, 66840865), (5, 13368173), (7, 9548695), (13, 5141605), (35, 1909739), (41, 1630265), (65, 1028321), (91, 734515), (205, 326053), (287, 232895), (455, 146903), (533, 125405), (1435, 46579), (2665, 25081), (3583, 18655), (3731, 17915)]