388806908

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1\times {\mathrm{353}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 788202240

約数和(自身を除く): 399395332

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 283, 353, 556, 566, 706, 973, 1132, 1412, 1946, 1981, 2471, 3892, 3962, 4942, 7924, 9884, 39337, 49067, 78674, 98134, 99899, 157348, 196268, 199798, 275359, 343469, 399596, 550718, 686938, 699293, 1101436, 1373876, 1398586, 2797172, 13885961, 27771922, 55543844, 97201727, 194403454, 388806908]

約数ペア:

[(1, 388806908), (2, 194403454), (4, 97201727), (7, 55543844), (14, 27771922), (28, 13885961), (139, 2797172), (278, 1398586), (283, 1373876), (353, 1101436), (556, 699293), (566, 686938), (706, 550718), (973, 399596), (1132, 343469), (1412, 275359), (1946, 199798), (1981, 196268), (2471, 157348), (3892, 99899), (3962, 98134), (4942, 78674), (7924, 49067), (9884, 39337)]