28908126

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:107

約数の個数: 96

約数和(自身を含む): 73513440

約数和(自身を除く): 44605314

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 43, 51, 78, 86, 102, 117, 129, 153, 169, 221, 234, 258, 306, 338, 387, 442, 507, 559, 663, 731, 774, 1014, 1118, 1326, 1462, 1521, 1677, 1989, 2193, 2197, 2873, 3042, 3354, 3978, 4386, 4394, 5031, 5746, 6579, 6591, 7267, 8619, 9503, 10062, 13158, 13182, 14534, 17238, 19006, 19773, 21801, 25857, 28509, 37349, 39546, 43602, 51714, 57018, 65403, 74698, 85527, 94471, 112047, 123539, 130806, 171054, 188942, 224094, 247078, 283413, 336141, 370617, 566826, 672282, 741234, 850239, 1111851, 1606007, 1700478, 2223702, 3212014, 4818021, 9636042, 14454063, 28908126]

約数ペア:

[(1, 28908126), (2, 14454063), (3, 9636042), (6, 4818021), (9, 3212014), (13, 2223702), (17, 1700478), (18, 1606007), (26, 1111851), (34, 850239), (39, 741234), (43, 672282), (51, 566826), (78, 370617), (86, 336141), (102, 283413), (117, 247078), (129, 224094), (153, 188942), (169, 171054), (221, 130806), (234, 123539), (258, 112047), (306, 94471), (338, 85527), (387, 74698), (442, 65403), (507, 57018), (559, 51714), (663, 43602), (731, 39546), (774, 37349), (1014, 28509), (1118, 25857), (1326, 21801), (1462, 19773), (1521, 19006), (1677, 17238), (1989, 14534), (2193, 13182), (2197, 13158), (2873, 10062), (3042, 9503), (3354, 8619), (3978, 7267), (4386, 6591), (4394, 6579), (5031, 5746)]