1389726716

素因数分解:

$2^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{188719}}^1$

素因数の和:188993

約数の個数: 24

約数和(自身を含む): 2790036480

約数和(自身を除く): 1400309764

約数列:

[1, 2, 4, 7, 14, 28, 263, 526, 1052, 1841, 3682, 7364, 188719, 377438, 754876, 1321033, 2642066, 5284132, 49633097, 99266194, 198532388, 347431679, 694863358, 1389726716]

約数ペア:

[(1, 1389726716), (2, 694863358), (4, 347431679), (7, 198532388), (14, 99266194), (28, 49633097), (263, 5284132), (526, 2642066), (1052, 1321033), (1841, 754876), (3682, 377438), (7364, 188719)]