223358968

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{128663}}^1$

素因数の和:128707

約数の個数: 32

約数和(自身を含む): 494069760

約数和(自身を除く): 270710792

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 128663, 257326, 514652, 900641, 1029304, 1801282, 3602564, 3988553, 7205128, 7977106, 15954212, 27919871, 31908424, 55839742, 111679484, 223358968]

約数ペア:

[(1, 223358968), (2, 111679484), (4, 55839742), (7, 31908424), (8, 27919871), (14, 15954212), (28, 7977106), (31, 7205128), (56, 3988553), (62, 3602564), (124, 1801282), (217, 1029304), (248, 900641), (434, 514652), (868, 257326), (1736, 128663)]