28945422

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^2$

素因数の和:190

約数の個数: 72

約数和(自身を含む): 71786520

約数和(自身を除く): 42841098

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 29, 33, 58, 66, 71, 87, 99, 142, 174, 198, 213, 261, 319, 426, 522, 638, 639, 781, 957, 1278, 1562, 1914, 2059, 2343, 2871, 4118, 4686, 5041, 5742, 6177, 7029, 10082, 12354, 14058, 15123, 18531, 22649, 30246, 37062, 45298, 45369, 55451, 67947, 90738, 110902, 135894, 146189, 166353, 203841, 292378, 332706, 407682, 438567, 499059, 877134, 998118, 1315701, 1608079, 2631402, 3216158, 4824237, 9648474, 14472711, 28945422]

約数ペア:

[(1, 28945422), (2, 14472711), (3, 9648474), (6, 4824237), (9, 3216158), (11, 2631402), (18, 1608079), (22, 1315701), (29, 998118), (33, 877134), (58, 499059), (66, 438567), (71, 407682), (87, 332706), (99, 292378), (142, 203841), (174, 166353), (198, 146189), (213, 135894), (261, 110902), (319, 90738), (426, 67947), (522, 55451), (638, 45369), (639, 45298), (781, 37062), (957, 30246), (1278, 22649), (1562, 18531), (1914, 15123), (2059, 14058), (2343, 12354), (2871, 10082), (4118, 7029), (4686, 6177), (5041, 5742)]