205515838

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{691}}^1\times {\mathrm{1229}}^1$

素因数の和:1944

約数の個数: 24

約数和(自身を含む): 339612840

約数和(自身を除く): 134097002

約数列:

[1, 2, 11, 22, 121, 242, 691, 1229, 1382, 2458, 7601, 13519, 15202, 27038, 83611, 148709, 167222, 297418, 849239, 1698478, 9341629, 18683258, 102757919, 205515838]

約数ペア:

[(1, 205515838), (2, 102757919), (11, 18683258), (22, 9341629), (121, 1698478), (242, 849239), (691, 297418), (1229, 167222), (1382, 148709), (2458, 83611), (7601, 27038), (13519, 15202)]