28128744

素因数分解:

$2^3\times 3^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:117

約数の個数: 192

約数和(自身を含む): 95472000

約数和(自身を除く): 67343256

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 34, 36, 42, 49, 51, 56, 63, 67, 68, 72, 84, 98, 102, 119, 126, 134, 136, 147, 153, 168, 196, 201, 204, 238, 252, 268, 294, 306, 343, 357, 392, 402, 408, 441, 469, 476, 504, 536, 588, 603, 612, 686, 714, 804, 833, 882, 938, 952, 1029, 1071, 1139, 1176, 1206, 1224, 1372, 1407, 1428, 1608, 1666, 1764, 1876, 2058, 2142, 2278, 2412, 2499, 2744, 2814, 2856, 3087, 3283, 3332, 3417, 3528, 3752, 4116, 4221, 4284, 4556, 4824, 4998, 5628, 5831, 6174, 6566, 6664, 6834, 7497, 7973, 8232, 8442, 8568, 9112, 9849, 9996, 10251, 11256, 11662, 12348, 13132, 13668, 14994, 15946, 16884, 17493, 19698, 19992, 20502, 22981, 23324, 23919, 24696, 26264, 27336, 29547, 29988, 31892, 33768, 34986, 39396, 41004, 45962, 46648, 47838, 52479, 55811, 59094, 59976, 63784, 68943, 69972, 71757, 78792, 82008, 91924, 95676, 104958, 111622, 118188, 137886, 139944, 143514, 167433, 183848, 191352, 206829, 209916, 223244, 236376, 275772, 287028, 334866, 390677, 413658, 419832, 446488, 502299, 551544, 574056, 669732, 781354, 827316, 1004598, 1172031, 1339464, 1562708, 1654632, 2009196, 2344062, 3125416, 3516093, 4018392, 4688124, 7032186, 9376248, 14064372, 28128744]

約数ペア:

[(1, 28128744), (2, 14064372), (3, 9376248), (4, 7032186), (6, 4688124), (7, 4018392), (8, 3516093), (9, 3125416), (12, 2344062), (14, 2009196), (17, 1654632), (18, 1562708), (21, 1339464), (24, 1172031), (28, 1004598), (34, 827316), (36, 781354), (42, 669732), (49, 574056), (51, 551544), (56, 502299), (63, 446488), (67, 419832), (68, 413658), (72, 390677), (84, 334866), (98, 287028), (102, 275772), (119, 236376), (126, 223244), (134, 209916), (136, 206829), (147, 191352), (153, 183848), (168, 167433), (196, 143514), (201, 139944), (204, 137886), (238, 118188), (252, 111622), (268, 104958), (294, 95676), (306, 91924), (343, 82008), (357, 78792), (392, 71757), (402, 69972), (408, 68943), (441, 63784), (469, 59976), (476, 59094), (504, 55811), (536, 52479), (588, 47838), (603, 46648), (612, 45962), (686, 41004), (714, 39396), (804, 34986), (833, 33768), (882, 31892), (938, 29988), (952, 29547), (1029, 27336), (1071, 26264), (1139, 24696), (1176, 23919), (1206, 23324), (1224, 22981), (1372, 20502), (1407, 19992), (1428, 19698), (1608, 17493), (1666, 16884), (1764, 15946), (1876, 14994), (2058, 13668), (2142, 13132), (2278, 12348), (2412, 11662), (2499, 11256), (2744, 10251), (2814, 9996), (2856, 9849), (3087, 9112), (3283, 8568), (3332, 8442), (3417, 8232), (3528, 7973), (3752, 7497), (4116, 6834), (4221, 6664), (4284, 6566), (4556, 6174), (4824, 5831), (4998, 5628)]