281550412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{11447}}^1$

素因数の和:11518

約数の個数: 48

約数和(自身を含む): 592365312

約数和(自身を除く): 310814900

約数列:

[1, 2, 4, 11, 13, 22, 26, 43, 44, 52, 86, 143, 172, 286, 473, 559, 572, 946, 1118, 1892, 2236, 6149, 11447, 12298, 22894, 24596, 45788, 125917, 148811, 251834, 297622, 492221, 503668, 595244, 984442, 1636921, 1968884, 3273842, 5414431, 6398873, 6547684, 10828862, 12797746, 21657724, 25595492, 70387603, 140775206, 281550412]

約数ペア:

[(1, 281550412), (2, 140775206), (4, 70387603), (11, 25595492), (13, 21657724), (22, 12797746), (26, 10828862), (43, 6547684), (44, 6398873), (52, 5414431), (86, 3273842), (143, 1968884), (172, 1636921), (286, 984442), (473, 595244), (559, 503668), (572, 492221), (946, 297622), (1118, 251834), (1892, 148811), (2236, 125917), (6149, 45788), (11447, 24596), (12298, 22894)]