388956776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{11299}}^1$

素因数の和:11649

約数の個数: 32

約数和(自身を含む): 787836000

約数和(自身を除く): 398879224

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 331, 662, 1324, 2648, 4303, 8606, 11299, 17212, 22598, 34424, 45196, 90392, 146887, 293774, 587548, 1175096, 3739969, 7479938, 14959876, 29919752, 48619597, 97239194, 194478388, 388956776]

約数ペア:

[(1, 388956776), (2, 194478388), (4, 97239194), (8, 48619597), (13, 29919752), (26, 14959876), (52, 7479938), (104, 3739969), (331, 1175096), (662, 587548), (1324, 293774), (2648, 146887), (4303, 90392), (8606, 45196), (11299, 34424), (17212, 22598)]