1997356

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 3774960

約数和(自身を除く): 1777604

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 641, 779, 1282, 1558, 2564, 3116, 12179, 24358, 26281, 48716, 52562, 105124, 499339, 998678, 1997356]

約数ペア:

[(1, 1997356), (2, 998678), (4, 499339), (19, 105124), (38, 52562), (41, 48716), (76, 26281), (82, 24358), (164, 12179), (641, 3116), (779, 2564), (1282, 1558)]