28287504

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:258

約数の個数: 180

約数和(自身を含む): 97397040

約数和(自身を除く): 69109536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 36, 38, 42, 48, 49, 56, 57, 63, 72, 76, 84, 98, 112, 114, 126, 133, 144, 147, 152, 168, 171, 196, 211, 228, 252, 266, 294, 304, 336, 342, 392, 399, 422, 441, 456, 504, 532, 588, 633, 684, 784, 798, 844, 882, 912, 931, 1008, 1064, 1176, 1197, 1266, 1368, 1477, 1596, 1688, 1764, 1862, 1899, 2128, 2352, 2394, 2532, 2736, 2793, 2954, 3192, 3376, 3528, 3724, 3798, 4009, 4431, 4788, 5064, 5586, 5908, 6384, 7056, 7448, 7596, 8018, 8379, 8862, 9576, 10128, 10339, 11172, 11816, 12027, 13293, 14896, 15192, 16036, 16758, 17724, 19152, 20678, 22344, 23632, 24054, 26586, 28063, 30384, 31017, 32072, 33516, 35448, 36081, 41356, 44688, 48108, 53172, 56126, 62034, 64144, 67032, 70896, 72162, 82712, 84189, 93051, 96216, 106344, 112252, 124068, 134064, 144324, 165424, 168378, 186102, 192432, 196441, 212688, 224504, 248136, 252567, 288648, 336756, 372204, 392882, 449008, 496272, 505134, 577296, 589323, 673512, 744408, 785764, 1010268, 1178646, 1347024, 1488816, 1571528, 1767969, 2020536, 2357292, 3143056, 3535938, 4041072, 4714584, 7071876, 9429168, 14143752, 28287504]

約数ペア:

[(1, 28287504), (2, 14143752), (3, 9429168), (4, 7071876), (6, 4714584), (7, 4041072), (8, 3535938), (9, 3143056), (12, 2357292), (14, 2020536), (16, 1767969), (18, 1571528), (19, 1488816), (21, 1347024), (24, 1178646), (28, 1010268), (36, 785764), (38, 744408), (42, 673512), (48, 589323), (49, 577296), (56, 505134), (57, 496272), (63, 449008), (72, 392882), (76, 372204), (84, 336756), (98, 288648), (112, 252567), (114, 248136), (126, 224504), (133, 212688), (144, 196441), (147, 192432), (152, 186102), (168, 168378), (171, 165424), (196, 144324), (211, 134064), (228, 124068), (252, 112252), (266, 106344), (294, 96216), (304, 93051), (336, 84189), (342, 82712), (392, 72162), (399, 70896), (422, 67032), (441, 64144), (456, 62034), (504, 56126), (532, 53172), (588, 48108), (633, 44688), (684, 41356), (784, 36081), (798, 35448), (844, 33516), (882, 32072), (912, 31017), (931, 30384), (1008, 28063), (1064, 26586), (1176, 24054), (1197, 23632), (1266, 22344), (1368, 20678), (1477, 19152), (1596, 17724), (1688, 16758), (1764, 16036), (1862, 15192), (1899, 14896), (2128, 13293), (2352, 12027), (2394, 11816), (2532, 11172), (2736, 10339), (2793, 10128), (2954, 9576), (3192, 8862), (3376, 8379), (3528, 8018), (3724, 7596), (3798, 7448), (4009, 7056), (4431, 6384), (4788, 5908), (5064, 5586)]