28815822

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{883}}^1$

素因数の和:942

約数の個数: 72

約数和(自身を含む): 74675016

約数和(自身を除く): 45859194

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 49, 63, 74, 98, 111, 126, 147, 222, 259, 294, 333, 441, 518, 666, 777, 882, 883, 1554, 1766, 1813, 2331, 2649, 3626, 4662, 5298, 5439, 6181, 7947, 10878, 12362, 15894, 16317, 18543, 32634, 32671, 37086, 43267, 55629, 65342, 86534, 98013, 111258, 129801, 196026, 228697, 259602, 294039, 389403, 457394, 588078, 686091, 778806, 1372182, 1600879, 2058273, 3201758, 4116546, 4802637, 9605274, 14407911, 28815822]

約数ペア:

[(1, 28815822), (2, 14407911), (3, 9605274), (6, 4802637), (7, 4116546), (9, 3201758), (14, 2058273), (18, 1600879), (21, 1372182), (37, 778806), (42, 686091), (49, 588078), (63, 457394), (74, 389403), (98, 294039), (111, 259602), (126, 228697), (147, 196026), (222, 129801), (259, 111258), (294, 98013), (333, 86534), (441, 65342), (518, 55629), (666, 43267), (777, 37086), (882, 32671), (883, 32634), (1554, 18543), (1766, 16317), (1813, 15894), (2331, 12362), (2649, 10878), (3626, 7947), (4662, 6181), (5298, 5439)]