28857262

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 56142720

約数和(自身を除く): 27285458

約数列:

[1, 2, 7, 14, 17, 29, 34, 37, 58, 74, 113, 119, 203, 226, 238, 259, 406, 493, 518, 629, 791, 986, 1073, 1258, 1582, 1921, 2146, 3277, 3451, 3842, 4181, 4403, 6554, 6902, 7511, 8362, 8806, 13447, 15022, 18241, 22939, 26894, 29267, 36482, 45878, 55709, 58534, 71077, 111418, 121249, 127687, 142154, 242498, 255374, 389963, 497539, 779926, 848743, 995078, 1697486, 2061233, 4122466, 14428631, 28857262]

約数ペア:

[(1, 28857262), (2, 14428631), (7, 4122466), (14, 2061233), (17, 1697486), (29, 995078), (34, 848743), (37, 779926), (58, 497539), (74, 389963), (113, 255374), (119, 242498), (203, 142154), (226, 127687), (238, 121249), (259, 111418), (406, 71077), (493, 58534), (518, 55709), (629, 45878), (791, 36482), (986, 29267), (1073, 26894), (1258, 22939), (1582, 18241), (1921, 15022), (2146, 13447), (3277, 8806), (3451, 8362), (3842, 7511), (4181, 6902), (4403, 6554)]