28713636

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2038

約数の個数: 96

約数和(自身を含む): 89600000

約数和(自身を除く): 60886364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 84, 108, 114, 126, 133, 171, 189, 228, 252, 266, 342, 378, 399, 513, 532, 684, 756, 798, 1026, 1197, 1596, 1999, 2052, 2394, 3591, 3998, 4788, 5997, 7182, 7996, 11994, 13993, 14364, 17991, 23988, 27986, 35982, 37981, 41979, 53973, 55972, 71964, 75962, 83958, 107946, 113943, 125937, 151924, 167916, 215892, 227886, 251874, 265867, 341829, 377811, 455772, 503748, 531734, 683658, 755622, 797601, 1025487, 1063468, 1367316, 1511244, 1595202, 2050974, 2392803, 3190404, 4101948, 4785606, 7178409, 9571212, 14356818, 28713636]

約数ペア:

[(1, 28713636), (2, 14356818), (3, 9571212), (4, 7178409), (6, 4785606), (7, 4101948), (9, 3190404), (12, 2392803), (14, 2050974), (18, 1595202), (19, 1511244), (21, 1367316), (27, 1063468), (28, 1025487), (36, 797601), (38, 755622), (42, 683658), (54, 531734), (57, 503748), (63, 455772), (76, 377811), (84, 341829), (108, 265867), (114, 251874), (126, 227886), (133, 215892), (171, 167916), (189, 151924), (228, 125937), (252, 113943), (266, 107946), (342, 83958), (378, 75962), (399, 71964), (513, 55972), (532, 53973), (684, 41979), (756, 37981), (798, 35982), (1026, 27986), (1197, 23988), (1596, 17991), (1999, 14364), (2052, 13993), (2394, 11994), (3591, 7996), (3998, 7182), (4788, 5997)]