165748895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2459}}^1$

素因数の和:2555

約数の個数: 32

約数和(自身を含む): 230610240

約数和(自身を除く): 64861345

約数列:

[1, 5, 13, 17, 61, 65, 85, 221, 305, 793, 1037, 1105, 2459, 3965, 5185, 12295, 13481, 31967, 41803, 67405, 149999, 159835, 209015, 543439, 749995, 1949987, 2549983, 2717195, 9749935, 12749915, 33149779, 165748895]

約数ペア:

[(1, 165748895), (5, 33149779), (13, 12749915), (17, 9749935), (61, 2717195), (65, 2549983), (85, 1949987), (221, 749995), (305, 543439), (793, 209015), (1037, 159835), (1105, 149999), (2459, 67405), (3965, 41803), (5185, 31967), (12295, 13481)]