12866705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 17832960

約数和(自身を除く): 4966255

約数列:

[1, 5, 17, 19, 31, 85, 95, 155, 257, 323, 527, 589, 1285, 1615, 2635, 2945, 4369, 4883, 7967, 10013, 21845, 24415, 39835, 50065, 83011, 135439, 151373, 415055, 677195, 756865, 2573341, 12866705]

約数ペア:

[(1, 12866705), (5, 2573341), (17, 756865), (19, 677195), (31, 415055), (85, 151373), (95, 135439), (155, 83011), (257, 50065), (323, 39835), (527, 24415), (589, 21845), (1285, 10013), (1615, 7967), (2635, 4883), (2945, 4369)]