28306908

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{1783}}^1$

素因数の和:1813

約数の個数: 90

約数和(自身を含む): 86129736

約数和(自身を除く): 57822828

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1323, 1764, 1783, 2268, 2646, 3566, 3969, 5292, 5349, 7132, 7938, 10698, 12481, 15876, 16047, 21396, 24962, 32094, 37443, 48141, 49924, 64188, 74886, 87367, 96282, 112329, 144423, 149772, 174734, 192564, 224658, 262101, 288846, 336987, 349468, 449316, 524202, 577692, 673974, 786303, 1010961, 1048404, 1347948, 1572606, 2021922, 2358909, 3145212, 4043844, 4717818, 7076727, 9435636, 14153454, 28306908]

約数ペア:

[(1, 28306908), (2, 14153454), (3, 9435636), (4, 7076727), (6, 4717818), (7, 4043844), (9, 3145212), (12, 2358909), (14, 2021922), (18, 1572606), (21, 1347948), (27, 1048404), (28, 1010961), (36, 786303), (42, 673974), (49, 577692), (54, 524202), (63, 449316), (81, 349468), (84, 336987), (98, 288846), (108, 262101), (126, 224658), (147, 192564), (162, 174734), (189, 149772), (196, 144423), (252, 112329), (294, 96282), (324, 87367), (378, 74886), (441, 64188), (567, 49924), (588, 48141), (756, 37443), (882, 32094), (1134, 24962), (1323, 21396), (1764, 16047), (1783, 15876), (2268, 12481), (2646, 10698), (3566, 7938), (3969, 7132), (5292, 5349)]