28401828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:897

約数の個数: 96

約数和(自身を含む): 84295680

約数和(自身を除く): 55893852

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 39, 42, 52, 62, 78, 84, 91, 93, 124, 156, 182, 186, 217, 273, 364, 372, 403, 434, 546, 651, 806, 839, 868, 1092, 1209, 1302, 1612, 1678, 2418, 2517, 2604, 2821, 3356, 4836, 5034, 5642, 5873, 8463, 10068, 10907, 11284, 11746, 16926, 17619, 21814, 23492, 26009, 32721, 33852, 35238, 43628, 52018, 65442, 70476, 76349, 78027, 104036, 130884, 152698, 156054, 182063, 229047, 305396, 312108, 338117, 364126, 458094, 546189, 676234, 728252, 916188, 1014351, 1092378, 1352468, 2028702, 2184756, 2366819, 4057404, 4733638, 7100457, 9467276, 14200914, 28401828]

約数ペア:

[(1, 28401828), (2, 14200914), (3, 9467276), (4, 7100457), (6, 4733638), (7, 4057404), (12, 2366819), (13, 2184756), (14, 2028702), (21, 1352468), (26, 1092378), (28, 1014351), (31, 916188), (39, 728252), (42, 676234), (52, 546189), (62, 458094), (78, 364126), (84, 338117), (91, 312108), (93, 305396), (124, 229047), (156, 182063), (182, 156054), (186, 152698), (217, 130884), (273, 104036), (364, 78027), (372, 76349), (403, 70476), (434, 65442), (546, 52018), (651, 43628), (806, 35238), (839, 33852), (868, 32721), (1092, 26009), (1209, 23492), (1302, 21814), (1612, 17619), (1678, 16926), (2418, 11746), (2517, 11284), (2604, 10907), (2821, 10068), (3356, 8463), (4836, 5873), (5034, 5642)]