389963236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{947}}^1\times {\mathrm{7919}}^1$

素因数の和:8883

約数の個数: 24

約数和(自身を含む): 735799680

約数和(自身を除く): 345836444

約数列:

[1, 2, 4, 13, 26, 52, 947, 1894, 3788, 7919, 12311, 15838, 24622, 31676, 49244, 102947, 205894, 411788, 7499293, 14998586, 29997172, 97490809, 194981618, 389963236]

約数ペア:

[(1, 389963236), (2, 194981618), (4, 97490809), (13, 29997172), (26, 14998586), (52, 7499293), (947, 411788), (1894, 205894), (3788, 102947), (7919, 49244), (12311, 31676), (15838, 24622)]