28760396

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 66189312

約数和(自身を除く): 37428916

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 37, 46, 68, 71, 74, 92, 119, 142, 148, 161, 238, 259, 284, 322, 391, 476, 497, 518, 629, 644, 782, 851, 994, 1036, 1207, 1258, 1564, 1633, 1702, 1988, 2414, 2516, 2627, 2737, 3266, 3404, 4403, 4828, 5254, 5474, 5957, 6532, 8449, 8806, 10508, 10948, 11431, 11914, 14467, 16898, 17612, 18389, 22862, 23828, 27761, 28934, 33796, 36778, 44659, 45724, 55522, 57868, 60421, 73556, 89318, 101269, 111044, 120842, 178636, 194327, 202538, 241684, 312613, 388654, 405076, 422947, 625226, 777308, 845894, 1027157, 1250452, 1691788, 2054314, 4108628, 7190099, 14380198, 28760396]

約数ペア:

[(1, 28760396), (2, 14380198), (4, 7190099), (7, 4108628), (14, 2054314), (17, 1691788), (23, 1250452), (28, 1027157), (34, 845894), (37, 777308), (46, 625226), (68, 422947), (71, 405076), (74, 388654), (92, 312613), (119, 241684), (142, 202538), (148, 194327), (161, 178636), (238, 120842), (259, 111044), (284, 101269), (322, 89318), (391, 73556), (476, 60421), (497, 57868), (518, 55522), (629, 45724), (644, 44659), (782, 36778), (851, 33796), (994, 28934), (1036, 27761), (1207, 23828), (1258, 22862), (1564, 18389), (1633, 17612), (1702, 16898), (1988, 14467), (2414, 11914), (2516, 11431), (2627, 10948), (2737, 10508), (3266, 8806), (3404, 8449), (4403, 6532), (4828, 5957), (5254, 5474)]