217697924

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{353}}^1\times {\mathrm{2909}}^1$

素因数の和:3319

約数の個数: 24

約数和(自身を含む): 389392920

約数和(自身を除く): 171694996

約数列:

[1, 2, 4, 53, 106, 212, 353, 706, 1412, 2909, 5818, 11636, 18709, 37418, 74836, 154177, 308354, 616708, 1026877, 2053754, 4107508, 54424481, 108848962, 217697924]

約数ペア:

[(1, 217697924), (2, 108848962), (4, 54424481), (53, 4107508), (106, 2053754), (212, 1026877), (353, 616708), (706, 308354), (1412, 154177), (2909, 74836), (5818, 37418), (11636, 18709)]