287768404

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 650797056

約数和(自身を除く): 363028652

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 77, 94, 103, 154, 188, 193, 206, 308, 329, 386, 412, 517, 658, 721, 772, 1034, 1133, 1316, 1351, 1442, 2068, 2123, 2266, 2702, 2884, 3619, 4246, 4532, 4841, 5404, 7238, 7931, 8492, 9071, 9682, 14476, 14861, 15862, 18142, 19364, 19879, 29722, 31724, 33887, 36284, 39758, 53251, 59444, 63497, 67774, 79516, 99781, 106502, 126994, 135548, 139153, 199562, 213004, 218669, 253988, 278306, 372757, 399124, 437338, 556612, 698467, 745514, 874676, 934313, 1396934, 1491028, 1530683, 1868626, 2793868, 3061366, 3737252, 6122732, 6540191, 10277443, 13080382, 20554886, 26160764, 41109772, 71942101, 143884202, 287768404]

約数ペア:

[(1, 287768404), (2, 143884202), (4, 71942101), (7, 41109772), (11, 26160764), (14, 20554886), (22, 13080382), (28, 10277443), (44, 6540191), (47, 6122732), (77, 3737252), (94, 3061366), (103, 2793868), (154, 1868626), (188, 1530683), (193, 1491028), (206, 1396934), (308, 934313), (329, 874676), (386, 745514), (412, 698467), (517, 556612), (658, 437338), (721, 399124), (772, 372757), (1034, 278306), (1133, 253988), (1316, 218669), (1351, 213004), (1442, 199562), (2068, 139153), (2123, 135548), (2266, 126994), (2702, 106502), (2884, 99781), (3619, 79516), (4246, 67774), (4532, 63497), (4841, 59444), (5404, 53251), (7238, 39758), (7931, 36284), (8492, 33887), (9071, 31724), (9682, 29722), (14476, 19879), (14861, 19364), (15862, 18142)]