81260696

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 169048320

約数和(自身を除く): 87787624

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 127, 242, 254, 484, 508, 661, 968, 1016, 1322, 1397, 2644, 2794, 5288, 5588, 7271, 11176, 14542, 15367, 29084, 30734, 58168, 61468, 79981, 83947, 122936, 159962, 167894, 319924, 335788, 639848, 671576, 923417, 1846834, 3693668, 7387336, 10157587, 20315174, 40630348, 81260696]

約数ペア:

[(1, 81260696), (2, 40630348), (4, 20315174), (8, 10157587), (11, 7387336), (22, 3693668), (44, 1846834), (88, 923417), (121, 671576), (127, 639848), (242, 335788), (254, 319924), (484, 167894), (508, 159962), (661, 122936), (968, 83947), (1016, 79981), (1322, 61468), (1397, 58168), (2644, 30734), (2794, 29084), (5288, 15367), (5588, 14542), (7271, 11176)]