278051569145

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{661091}}^1$

素因数の和:661361

約数の個数: 32

約数和(自身を含む): 389547138816

約数和(自身を除く): 111495569671

約数列:

[1, 5, 7, 35, 61, 197, 305, 427, 985, 1379, 2135, 6895, 12017, 60085, 84119, 420595, 661091, 3305455, 4627637, 23138185, 40326551, 130234927, 201632755, 282285857, 651174635, 911644489, 1411429285, 4558222445, 7944330547, 39721652735, 55610313829, 278051569145]

約数ペア:

[(1, 278051569145), (5, 55610313829), (7, 39721652735), (35, 7944330547), (61, 4558222445), (197, 1411429285), (305, 911644489), (427, 651174635), (985, 282285857), (1379, 201632755), (2135, 130234927), (6895, 40326551), (12017, 23138185), (60085, 4627637), (84119, 3305455), (420595, 661091)]