28679364

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1559}}^1$

素因数の和:1649

約数の個数: 72

約数和(自身を含む): 84040320

約数和(自身を除く): 55360956

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 73, 84, 126, 146, 219, 252, 292, 438, 511, 657, 876, 1022, 1314, 1533, 1559, 2044, 2628, 3066, 3118, 4599, 4677, 6132, 6236, 9198, 9354, 10913, 14031, 18396, 18708, 21826, 28062, 32739, 43652, 56124, 65478, 98217, 113807, 130956, 196434, 227614, 341421, 392868, 455228, 682842, 796649, 1024263, 1365684, 1593298, 2048526, 2389947, 3186596, 4097052, 4779894, 7169841, 9559788, 14339682, 28679364]

約数ペア:

[(1, 28679364), (2, 14339682), (3, 9559788), (4, 7169841), (6, 4779894), (7, 4097052), (9, 3186596), (12, 2389947), (14, 2048526), (18, 1593298), (21, 1365684), (28, 1024263), (36, 796649), (42, 682842), (63, 455228), (73, 392868), (84, 341421), (126, 227614), (146, 196434), (219, 130956), (252, 113807), (292, 98217), (438, 65478), (511, 56124), (657, 43652), (876, 32739), (1022, 28062), (1314, 21826), (1533, 18708), (1559, 18396), (2044, 14031), (2628, 10913), (3066, 9354), (3118, 9198), (4599, 6236), (4677, 6132)]