865431868

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1\times {\mathrm{1439}}^1$

素因数の和:1954

約数の個数: 48

約数和(自身を含む): 1772789760

約数和(自身を除く): 907357892

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 457, 658, 914, 1316, 1439, 1828, 2878, 3199, 5756, 6398, 10073, 12796, 20146, 21479, 40292, 42958, 67633, 85916, 135266, 150353, 270532, 300706, 473431, 601412, 657623, 946862, 1315246, 1893724, 2630492, 4603361, 9206722, 18413444, 30908281, 61816562, 123633124, 216357967, 432715934, 865431868]

約数ペア:

[(1, 865431868), (2, 432715934), (4, 216357967), (7, 123633124), (14, 61816562), (28, 30908281), (47, 18413444), (94, 9206722), (188, 4603361), (329, 2630492), (457, 1893724), (658, 1315246), (914, 946862), (1316, 657623), (1439, 601412), (1828, 473431), (2878, 300706), (3199, 270532), (5756, 150353), (6398, 135266), (10073, 85916), (12796, 67633), (20146, 42958), (21479, 40292)]