289744516

素因数分解:

$2^2\times {\mathrm{59}}^2\times {\mathrm{20809}}^1$

素因数の和:20931

約数の個数: 18

約数和(自身を含む): 515817470

約数和(自身を除く): 226072954

約数列:

[1, 2, 4, 59, 118, 236, 3481, 6962, 13924, 20809, 41618, 83236, 1227731, 2455462, 4910924, 72436129, 144872258, 289744516]

約数ペア:

[(1, 289744516), (2, 144872258), (4, 72436129), (59, 4910924), (118, 2455462), (236, 1227731), (3481, 83236), (6962, 41618), (13924, 20809)]