215916484

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1913}}^1$

素因数の和:2092

約数の個数: 48

約数和(自身を含む): 450172800

約数和(自身を除く): 234256316

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 139, 203, 278, 406, 556, 812, 973, 1913, 1946, 3826, 3892, 4031, 7652, 8062, 13391, 16124, 26782, 28217, 53564, 55477, 56434, 110954, 112868, 221908, 265907, 388339, 531814, 776678, 1063628, 1553356, 1861349, 3722698, 7445396, 7711303, 15422606, 30845212, 53979121, 107958242, 215916484]

約数ペア:

[(1, 215916484), (2, 107958242), (4, 53979121), (7, 30845212), (14, 15422606), (28, 7711303), (29, 7445396), (58, 3722698), (116, 1861349), (139, 1553356), (203, 1063628), (278, 776678), (406, 531814), (556, 388339), (812, 265907), (973, 221908), (1913, 112868), (1946, 110954), (3826, 56434), (3892, 55477), (4031, 53564), (7652, 28217), (8062, 26782), (13391, 16124)]