128355479

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{743}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 162846720

約数和(自身を除く): 34491241

約数列:

[1, 7, 23, 29, 37, 161, 203, 259, 667, 743, 851, 1073, 4669, 5201, 5957, 7511, 17089, 21547, 24679, 27491, 119623, 150829, 172753, 192437, 495581, 632293, 797239, 3469067, 4426051, 5580673, 18336497, 128355479]

約数ペア:

[(1, 128355479), (7, 18336497), (23, 5580673), (29, 4426051), (37, 3469067), (161, 797239), (203, 632293), (259, 495581), (667, 192437), (743, 172753), (851, 150829), (1073, 119623), (4669, 27491), (5201, 24679), (5957, 21547), (7511, 17089)]