4389755

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:386

約数の個数: 16

約数和(自身を含む): 5505024

約数和(自身を除く): 1115269

約数列:

[1, 5, 31, 127, 155, 223, 635, 1115, 3937, 6913, 19685, 28321, 34565, 141605, 877951, 4389755]

約数ペア:

[(1, 4389755), (5, 877951), (31, 141605), (127, 34565), (155, 28321), (223, 19685), (635, 6913), (1115, 3937)]