68640845

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{587}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 101945088

約数和(自身を除く): 33304243

約数列:

[1, 5, 7, 13, 35, 65, 91, 257, 455, 587, 1285, 1799, 2935, 3341, 4109, 7631, 8995, 16705, 20545, 23387, 38155, 53417, 116935, 150859, 267085, 754295, 1056013, 1961167, 5280065, 9805835, 13728169, 68640845]

約数ペア:

[(1, 68640845), (5, 13728169), (7, 9805835), (13, 5280065), (35, 1961167), (65, 1056013), (91, 754295), (257, 267085), (455, 150859), (587, 116935), (1285, 53417), (1799, 38155), (2935, 23387), (3341, 20545), (4109, 16705), (7631, 8995)]