131018396

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{7229}}^1$

素因数の和:7453

約数の個数: 24

約数和(自身を含む): 240498720

約数和(自身を除く): 109480324

約数列:

[1, 2, 4, 23, 46, 92, 197, 394, 788, 4531, 7229, 9062, 14458, 18124, 28916, 166267, 332534, 665068, 1424113, 2848226, 5696452, 32754599, 65509198, 131018396]

約数ペア:

[(1, 131018396), (2, 65509198), (4, 32754599), (23, 5696452), (46, 2848226), (92, 1424113), (197, 665068), (394, 332534), (788, 166267), (4531, 28916), (7229, 18124), (9062, 14458)]