28908928321

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{19157}}^1$

素因数の和:19310

約数の個数: 48

約数和(自身を含む): 38159057664

約数和(自身を除く): 9250129343

約数列:

[1, 7, 13, 23, 49, 91, 103, 161, 299, 637, 721, 1127, 1339, 2093, 2369, 5047, 9373, 14651, 16583, 19157, 30797, 65611, 116081, 134099, 215579, 249041, 440611, 938693, 1509053, 1743287, 1973171, 3084277, 5727943, 12203009, 13812197, 21589939, 25651223, 40095601, 45382933, 96685379, 179558561, 280669207, 317680531, 589978129, 1256909927, 2223763717, 4129846903, 28908928321]

約数ペア:

[(1, 28908928321), (7, 4129846903), (13, 2223763717), (23, 1256909927), (49, 589978129), (91, 317680531), (103, 280669207), (161, 179558561), (299, 96685379), (637, 45382933), (721, 40095601), (1127, 25651223), (1339, 21589939), (2093, 13812197), (2369, 12203009), (5047, 5727943), (9373, 3084277), (14651, 1973171), (16583, 1743287), (19157, 1509053), (30797, 938693), (65611, 440611), (116081, 249041), (134099, 215579)]