12891788

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 28111104

約数和(自身を除く): 15219316

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 107, 182, 214, 331, 364, 428, 662, 749, 1324, 1391, 1498, 2317, 2782, 2996, 4303, 4634, 5564, 8606, 9268, 9737, 17212, 19474, 30121, 35417, 38948, 60242, 70834, 120484, 141668, 247919, 460421, 495838, 920842, 991676, 1841684, 3222947, 6445894, 12891788]

約数ペア:

[(1, 12891788), (2, 6445894), (4, 3222947), (7, 1841684), (13, 991676), (14, 920842), (26, 495838), (28, 460421), (52, 247919), (91, 141668), (107, 120484), (182, 70834), (214, 60242), (331, 38948), (364, 35417), (428, 30121), (662, 19474), (749, 17212), (1324, 9737), (1391, 9268), (1498, 8606), (2317, 5564), (2782, 4634), (2996, 4303)]