28291032

素因数分解:

$2^3\times 3^8\times 7^2\times {\mathrm{11}}^1$

素因数の和:55

約数の個数: 216

約数和(自身を含む): 100968660

約数和(自身を除く): 72677628

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 49, 54, 56, 63, 66, 72, 77, 81, 84, 88, 98, 99, 108, 126, 132, 147, 154, 162, 168, 189, 196, 198, 216, 231, 243, 252, 264, 294, 297, 308, 324, 378, 392, 396, 441, 462, 486, 504, 539, 567, 588, 594, 616, 648, 693, 729, 756, 792, 882, 891, 924, 972, 1078, 1134, 1176, 1188, 1323, 1386, 1458, 1512, 1617, 1701, 1764, 1782, 1848, 1944, 2079, 2156, 2187, 2268, 2376, 2646, 2673, 2772, 2916, 3234, 3402, 3528, 3564, 3969, 4158, 4312, 4374, 4536, 4851, 5103, 5292, 5346, 5544, 5832, 6237, 6468, 6561, 6804, 7128, 7938, 8019, 8316, 8748, 9702, 10206, 10584, 10692, 11907, 12474, 12936, 13122, 13608, 14553, 15309, 15876, 16038, 16632, 17496, 18711, 19404, 20412, 21384, 23814, 24057, 24948, 26244, 29106, 30618, 31752, 32076, 35721, 37422, 38808, 40824, 43659, 45927, 47628, 48114, 49896, 52488, 56133, 58212, 61236, 64152, 71442, 72171, 74844, 87318, 91854, 95256, 96228, 107163, 112266, 116424, 122472, 130977, 142884, 144342, 149688, 168399, 174636, 183708, 192456, 214326, 224532, 261954, 285768, 288684, 321489, 336798, 349272, 367416, 392931, 428652, 449064, 505197, 523908, 577368, 642978, 673596, 785862, 857304, 1010394, 1047816, 1178793, 1285956, 1347192, 1571724, 2020788, 2357586, 2571912, 3143448, 3536379, 4041576, 4715172, 7072758, 9430344, 14145516, 28291032]

約数ペア:

[(1, 28291032), (2, 14145516), (3, 9430344), (4, 7072758), (6, 4715172), (7, 4041576), (8, 3536379), (9, 3143448), (11, 2571912), (12, 2357586), (14, 2020788), (18, 1571724), (21, 1347192), (22, 1285956), (24, 1178793), (27, 1047816), (28, 1010394), (33, 857304), (36, 785862), (42, 673596), (44, 642978), (49, 577368), (54, 523908), (56, 505197), (63, 449064), (66, 428652), (72, 392931), (77, 367416), (81, 349272), (84, 336798), (88, 321489), (98, 288684), (99, 285768), (108, 261954), (126, 224532), (132, 214326), (147, 192456), (154, 183708), (162, 174636), (168, 168399), (189, 149688), (196, 144342), (198, 142884), (216, 130977), (231, 122472), (243, 116424), (252, 112266), (264, 107163), (294, 96228), (297, 95256), (308, 91854), (324, 87318), (378, 74844), (392, 72171), (396, 71442), (441, 64152), (462, 61236), (486, 58212), (504, 56133), (539, 52488), (567, 49896), (588, 48114), (594, 47628), (616, 45927), (648, 43659), (693, 40824), (729, 38808), (756, 37422), (792, 35721), (882, 32076), (891, 31752), (924, 30618), (972, 29106), (1078, 26244), (1134, 24948), (1176, 24057), (1188, 23814), (1323, 21384), (1386, 20412), (1458, 19404), (1512, 18711), (1617, 17496), (1701, 16632), (1764, 16038), (1782, 15876), (1848, 15309), (1944, 14553), (2079, 13608), (2156, 13122), (2187, 12936), (2268, 12474), (2376, 11907), (2646, 10692), (2673, 10584), (2772, 10206), (2916, 9702), (3234, 8748), (3402, 8316), (3528, 8019), (3564, 7938), (3969, 7128), (4158, 6804), (4312, 6561), (4374, 6468), (4536, 6237), (4851, 5832), (5103, 5544), (5292, 5346)]