201918836

素因数分解:

$2^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{20663}}^1$

素因数の和:21023

約数の個数: 24

約数和(自身を含む): 405014400

約数和(自身を除く): 203095564

約数列:

[1, 2, 4, 7, 14, 28, 349, 698, 1396, 2443, 4886, 9772, 20663, 41326, 82652, 144641, 289282, 578564, 7211387, 14422774, 28845548, 50479709, 100959418, 201918836]

約数ペア:

[(1, 201918836), (2, 100959418), (4, 50479709), (7, 28845548), (14, 14422774), (28, 7211387), (349, 578564), (698, 289282), (1396, 144641), (2443, 82652), (4886, 41326), (9772, 20663)]