28147266

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 73382400

約数和(自身を除く): 45235134

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 49, 63, 94, 97, 98, 126, 141, 147, 194, 282, 291, 294, 329, 343, 423, 441, 582, 658, 679, 686, 846, 873, 882, 987, 1029, 1358, 1746, 1974, 2037, 2058, 2303, 2961, 3087, 4074, 4559, 4606, 4753, 5922, 6111, 6174, 6909, 9118, 9506, 12222, 13677, 13818, 14259, 16121, 20727, 27354, 28518, 31913, 32242, 33271, 41031, 41454, 42777, 48363, 63826, 66542, 82062, 85554, 95739, 96726, 99813, 145089, 191478, 199626, 223391, 287217, 290178, 299439, 446782, 574434, 598878, 670173, 1340346, 1563737, 2010519, 3127474, 4021038, 4691211, 9382422, 14073633, 28147266]

約数ペア:

[(1, 28147266), (2, 14073633), (3, 9382422), (6, 4691211), (7, 4021038), (9, 3127474), (14, 2010519), (18, 1563737), (21, 1340346), (42, 670173), (47, 598878), (49, 574434), (63, 446782), (94, 299439), (97, 290178), (98, 287217), (126, 223391), (141, 199626), (147, 191478), (194, 145089), (282, 99813), (291, 96726), (294, 95739), (329, 85554), (343, 82062), (423, 66542), (441, 63826), (582, 48363), (658, 42777), (679, 41454), (686, 41031), (846, 33271), (873, 32242), (882, 31913), (987, 28518), (1029, 27354), (1358, 20727), (1746, 16121), (1974, 14259), (2037, 13818), (2058, 13677), (2303, 12222), (2961, 9506), (3087, 9118), (4074, 6909), (4559, 6174), (4606, 6111), (4753, 5922)]