8390424679

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{20771}}^1$

素因数の和:21007

約数の個数: 32

約数和(自身を含む): 10832016384

約数和(自身を除く): 2441591705

約数列:

[1, 7, 13, 23, 91, 161, 193, 299, 1351, 2093, 2509, 4439, 17563, 20771, 31073, 57707, 145397, 270023, 403949, 477733, 1890161, 3344131, 4008803, 6210529, 28061621, 43473703, 52114439, 92202469, 364801073, 645417283, 1198632097, 8390424679]

約数ペア:

[(1, 8390424679), (7, 1198632097), (13, 645417283), (23, 364801073), (91, 92202469), (161, 52114439), (193, 43473703), (299, 28061621), (1351, 6210529), (2093, 4008803), (2509, 3344131), (4439, 1890161), (17563, 477733), (20771, 403949), (31073, 270023), (57707, 145397)]