28708176

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2048

約数の個数: 80

約数和(自身を含む): 86772224

約数和(自身を除く): 58064048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 56, 84, 86, 112, 129, 168, 172, 258, 301, 336, 344, 516, 602, 688, 903, 1032, 1204, 1806, 1987, 2064, 2408, 3612, 3974, 4816, 5961, 7224, 7948, 11922, 13909, 14448, 15896, 23844, 27818, 31792, 41727, 47688, 55636, 83454, 85441, 95376, 111272, 166908, 170882, 222544, 256323, 333816, 341764, 512646, 598087, 667632, 683528, 1025292, 1196174, 1367056, 1794261, 2050584, 2392348, 3588522, 4101168, 4784696, 7177044, 9569392, 14354088, 28708176]

約数ペア:

[(1, 28708176), (2, 14354088), (3, 9569392), (4, 7177044), (6, 4784696), (7, 4101168), (8, 3588522), (12, 2392348), (14, 2050584), (16, 1794261), (21, 1367056), (24, 1196174), (28, 1025292), (42, 683528), (43, 667632), (48, 598087), (56, 512646), (84, 341764), (86, 333816), (112, 256323), (129, 222544), (168, 170882), (172, 166908), (258, 111272), (301, 95376), (336, 85441), (344, 83454), (516, 55636), (602, 47688), (688, 41727), (903, 31792), (1032, 27818), (1204, 23844), (1806, 15896), (1987, 14448), (2064, 13909), (2408, 11922), (3612, 7948), (3974, 7224), (4816, 5961)]