28091994

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 70917120

約数和(自身を除く): 42825126

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 47, 49, 57, 94, 98, 107, 114, 133, 141, 147, 214, 266, 282, 294, 321, 329, 399, 642, 658, 749, 798, 893, 931, 987, 1498, 1786, 1862, 1974, 2033, 2247, 2303, 2679, 2793, 4066, 4494, 4606, 5029, 5243, 5358, 5586, 6099, 6251, 6909, 10058, 10486, 12198, 12502, 13818, 14231, 15087, 15729, 18753, 28462, 30174, 31458, 35203, 37506, 42693, 43757, 70406, 85386, 87514, 95551, 99617, 105609, 131271, 191102, 199234, 211218, 246421, 262542, 286653, 298851, 492842, 573306, 597702, 668857, 739263, 1337714, 1478526, 2006571, 4013142, 4681999, 9363998, 14045997, 28091994]

約数ペア:

[(1, 28091994), (2, 14045997), (3, 9363998), (6, 4681999), (7, 4013142), (14, 2006571), (19, 1478526), (21, 1337714), (38, 739263), (42, 668857), (47, 597702), (49, 573306), (57, 492842), (94, 298851), (98, 286653), (107, 262542), (114, 246421), (133, 211218), (141, 199234), (147, 191102), (214, 131271), (266, 105609), (282, 99617), (294, 95551), (321, 87514), (329, 85386), (399, 70406), (642, 43757), (658, 42693), (749, 37506), (798, 35203), (893, 31458), (931, 30174), (987, 28462), (1498, 18753), (1786, 15729), (1862, 15087), (1974, 14231), (2033, 13818), (2247, 12502), (2303, 12198), (2679, 10486), (2793, 10058), (4066, 6909), (4494, 6251), (4606, 6099), (5029, 5586), (5243, 5358)]