28213416

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{727}}^1$

素因数の和:764

約数の個数: 144

約数和(自身を含む): 97100640

約数和(自身を除く): 68887224

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 28, 33, 36, 42, 44, 49, 56, 63, 66, 72, 77, 84, 88, 98, 99, 126, 132, 147, 154, 168, 196, 198, 231, 252, 264, 294, 308, 392, 396, 441, 462, 504, 539, 588, 616, 693, 727, 792, 882, 924, 1078, 1176, 1386, 1454, 1617, 1764, 1848, 2156, 2181, 2772, 2908, 3234, 3528, 4312, 4362, 4851, 5089, 5544, 5816, 6468, 6543, 7997, 8724, 9702, 10178, 12936, 13086, 15267, 15994, 17448, 19404, 20356, 23991, 26172, 30534, 31988, 35623, 38808, 40712, 45801, 47982, 52344, 55979, 61068, 63976, 71246, 71973, 91602, 95964, 106869, 111958, 122136, 142492, 143946, 167937, 183204, 191928, 213738, 223916, 284984, 287892, 320607, 335874, 366408, 391853, 427476, 447832, 503811, 575784, 641214, 671748, 783706, 854952, 1007622, 1175559, 1282428, 1343496, 1567412, 2015244, 2351118, 2564856, 3134824, 3526677, 4030488, 4702236, 7053354, 9404472, 14106708, 28213416]

約数ペア:

[(1, 28213416), (2, 14106708), (3, 9404472), (4, 7053354), (6, 4702236), (7, 4030488), (8, 3526677), (9, 3134824), (11, 2564856), (12, 2351118), (14, 2015244), (18, 1567412), (21, 1343496), (22, 1282428), (24, 1175559), (28, 1007622), (33, 854952), (36, 783706), (42, 671748), (44, 641214), (49, 575784), (56, 503811), (63, 447832), (66, 427476), (72, 391853), (77, 366408), (84, 335874), (88, 320607), (98, 287892), (99, 284984), (126, 223916), (132, 213738), (147, 191928), (154, 183204), (168, 167937), (196, 143946), (198, 142492), (231, 122136), (252, 111958), (264, 106869), (294, 95964), (308, 91602), (392, 71973), (396, 71246), (441, 63976), (462, 61068), (504, 55979), (539, 52344), (588, 47982), (616, 45801), (693, 40712), (727, 38808), (792, 35623), (882, 31988), (924, 30534), (1078, 26172), (1176, 23991), (1386, 20356), (1454, 19404), (1617, 17448), (1764, 15994), (1848, 15267), (2156, 13086), (2181, 12936), (2772, 10178), (2908, 9702), (3234, 8724), (3528, 7997), (4312, 6543), (4362, 6468), (4851, 5816), (5089, 5544)]