389600972

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{71147}}^1$

素因数の和:71225

約数の個数: 18

約数和(自身を含む): 700736652

約数和(自身を除く): 311135680

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 5476, 71147, 142294, 284588, 2632439, 5264878, 10529756, 97400243, 194800486, 389600972]

約数ペア:

[(1, 389600972), (2, 194800486), (4, 97400243), (37, 10529756), (74, 5264878), (148, 2632439), (1369, 284588), (2738, 142294), (5476, 71147)]