28438718

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:118

約数の個数: 96

約数和(自身を含む): 59885568

約数和(自身を除く): 31446850

約数列:

[1, 2, 7, 11, 14, 22, 23, 31, 37, 46, 49, 62, 74, 77, 98, 154, 161, 217, 253, 259, 322, 341, 407, 434, 506, 518, 539, 682, 713, 814, 851, 1078, 1127, 1147, 1426, 1519, 1702, 1771, 1813, 2254, 2294, 2387, 2849, 3038, 3542, 3626, 4774, 4991, 5698, 5957, 7843, 8029, 9361, 9982, 11914, 12397, 12617, 15686, 16058, 16709, 18722, 19943, 24794, 25234, 26381, 33418, 34937, 39886, 41699, 52762, 54901, 56203, 65527, 69874, 83398, 88319, 109802, 112406, 131054, 176638, 184667, 290191, 369334, 384307, 458689, 580382, 618233, 768614, 917378, 1236466, 1292669, 2031337, 2585338, 4062674, 14219359, 28438718]

約数ペア:

[(1, 28438718), (2, 14219359), (7, 4062674), (11, 2585338), (14, 2031337), (22, 1292669), (23, 1236466), (31, 917378), (37, 768614), (46, 618233), (49, 580382), (62, 458689), (74, 384307), (77, 369334), (98, 290191), (154, 184667), (161, 176638), (217, 131054), (253, 112406), (259, 109802), (322, 88319), (341, 83398), (407, 69874), (434, 65527), (506, 56203), (518, 54901), (539, 52762), (682, 41699), (713, 39886), (814, 34937), (851, 33418), (1078, 26381), (1127, 25234), (1147, 24794), (1426, 19943), (1519, 18722), (1702, 16709), (1771, 16058), (1813, 15686), (2254, 12617), (2294, 12397), (2387, 11914), (2849, 9982), (3038, 9361), (3542, 8029), (3626, 7843), (4774, 5957), (4991, 5698)]