12897508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2557}}^1$

素因数の和:2671

約数の個数: 24

約数和(自身を含む): 24567032

約数和(自身を除く): 11669524

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 2557, 5044, 5114, 10228, 33241, 66482, 132964, 248029, 496058, 992116, 3224377, 6448754, 12897508]

約数ペア:

[(1, 12897508), (2, 6448754), (4, 3224377), (13, 992116), (26, 496058), (52, 248029), (97, 132964), (194, 66482), (388, 33241), (1261, 10228), (2522, 5114), (2557, 5044)]