28406574

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 74131200

約数和(自身を除く): 45724626

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 49, 63, 86, 98, 107, 126, 129, 147, 214, 258, 294, 301, 321, 343, 387, 441, 602, 642, 686, 749, 774, 882, 903, 963, 1029, 1498, 1806, 1926, 2058, 2107, 2247, 2709, 3087, 4214, 4494, 4601, 5243, 5418, 6174, 6321, 6741, 9202, 10486, 12642, 13482, 13803, 14749, 15729, 18963, 27606, 29498, 31458, 32207, 36701, 37926, 41409, 44247, 47187, 64414, 73402, 82818, 88494, 94374, 96621, 110103, 132741, 193242, 220206, 225449, 265482, 289863, 330309, 450898, 579726, 660618, 676347, 1352694, 1578143, 2029041, 3156286, 4058082, 4734429, 9468858, 14203287, 28406574]

約数ペア:

[(1, 28406574), (2, 14203287), (3, 9468858), (6, 4734429), (7, 4058082), (9, 3156286), (14, 2029041), (18, 1578143), (21, 1352694), (42, 676347), (43, 660618), (49, 579726), (63, 450898), (86, 330309), (98, 289863), (107, 265482), (126, 225449), (129, 220206), (147, 193242), (214, 132741), (258, 110103), (294, 96621), (301, 94374), (321, 88494), (343, 82818), (387, 73402), (441, 64414), (602, 47187), (642, 44247), (686, 41409), (749, 37926), (774, 36701), (882, 32207), (903, 31458), (963, 29498), (1029, 27606), (1498, 18963), (1806, 15729), (1926, 14749), (2058, 13803), (2107, 13482), (2247, 12642), (2709, 10486), (3087, 9202), (4214, 6741), (4494, 6321), (4601, 6174), (5243, 5418)]