12749915

素因数分解:

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

素因数の和:2542

約数の個数: 16

約数和(自身を含む): 16472160

約数和(自身を除く): 3722245

約数列:

[1, 5, 17, 61, 85, 305, 1037, 2459, 5185, 12295, 41803, 149999, 209015, 749995, 2549983, 12749915]

約数ペア:

[(1, 12749915), (5, 2549983), (17, 749995), (61, 209015), (85, 149999), (305, 41803), (1037, 12295), (2459, 5185)]