12691415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 17582400

約数和(自身を除く): 4890985

約数列:

[1, 5, 11, 29, 55, 73, 109, 145, 319, 365, 545, 803, 1199, 1595, 2117, 3161, 4015, 5995, 7957, 10585, 15805, 23287, 34771, 39785, 87527, 116435, 173855, 230753, 437635, 1153765, 2538283, 12691415]

約数ペア:

[(1, 12691415), (5, 2538283), (11, 1153765), (29, 437635), (55, 230753), (73, 173855), (109, 116435), (145, 87527), (319, 39785), (365, 34771), (545, 23287), (803, 15805), (1199, 10585), (1595, 7957), (2117, 5995), (3161, 4015)]