1208405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:316

約数の個数: 16

約数和(自身を含む): 1603584

約数和(自身を除く): 395179

約数列:

[1, 5, 11, 55, 127, 173, 635, 865, 1397, 1903, 6985, 9515, 21971, 109855, 241681, 1208405]

約数ペア:

[(1, 1208405), (5, 241681), (11, 109855), (55, 21971), (127, 9515), (173, 6985), (635, 1903), (865, 1397)]