161618252

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1783}}^1$

素因数の和:1878

約数の個数: 48

約数和(自身を含む): 316495872

約数和(自身を除く): 154877620

約数列:

[1, 2, 4, 17, 31, 34, 43, 62, 68, 86, 124, 172, 527, 731, 1054, 1333, 1462, 1783, 2108, 2666, 2924, 3566, 5332, 7132, 22661, 30311, 45322, 55273, 60622, 76669, 90644, 110546, 121244, 153338, 221092, 306676, 939641, 1303373, 1879282, 2376739, 2606746, 3758564, 4753478, 5213492, 9506956, 40404563, 80809126, 161618252]

約数ペア:

[(1, 161618252), (2, 80809126), (4, 40404563), (17, 9506956), (31, 5213492), (34, 4753478), (43, 3758564), (62, 2606746), (68, 2376739), (86, 1879282), (124, 1303373), (172, 939641), (527, 306676), (731, 221092), (1054, 153338), (1333, 121244), (1462, 110546), (1783, 90644), (2108, 76669), (2666, 60622), (2924, 55273), (3566, 45322), (5332, 30311), (7132, 22661)]