438291217

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1109}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 557948160

約数和(自身を除く): 119656943

約数列:

[1, 7, 13, 43, 91, 101, 301, 559, 707, 1109, 1313, 3913, 4343, 7763, 9191, 14417, 30401, 47687, 56459, 100919, 112009, 333809, 395213, 619931, 784063, 1456117, 4339517, 4816387, 10192819, 33714709, 62613031, 438291217]

約数ペア:

[(1, 438291217), (7, 62613031), (13, 33714709), (43, 10192819), (91, 4816387), (101, 4339517), (301, 1456117), (559, 784063), (707, 619931), (1109, 395213), (1313, 333809), (3913, 112009), (4343, 100919), (7763, 56459), (9191, 47687), (14417, 30401)]