28578095

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{587}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 42674688

約数和(自身を除く): 14096593

約数列:

[1, 5, 7, 13, 35, 65, 91, 107, 455, 535, 587, 749, 1391, 2935, 3745, 4109, 6955, 7631, 9737, 20545, 38155, 48685, 53417, 62809, 267085, 314045, 439663, 816517, 2198315, 4082585, 5715619, 28578095]

約数ペア:

[(1, 28578095), (5, 5715619), (7, 4082585), (13, 2198315), (35, 816517), (65, 439663), (91, 314045), (107, 267085), (455, 62809), (535, 53417), (587, 48685), (749, 38155), (1391, 20545), (2935, 9737), (3745, 7631), (4109, 6955)]