291225154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{1459}}^1$

素因数の和:1726

約数の個数: 32

約数和(自身を含む): 490279680

約数和(自身を除く): 199054526

約数列:

[1, 2, 11, 22, 43, 86, 211, 422, 473, 946, 1459, 2321, 2918, 4642, 9073, 16049, 18146, 32098, 62737, 99803, 125474, 199606, 307849, 615698, 690107, 1380214, 3386339, 6772678, 13237507, 26475014, 145612577, 291225154]

約数ペア:

[(1, 291225154), (2, 145612577), (11, 26475014), (22, 13237507), (43, 6772678), (86, 3386339), (211, 1380214), (422, 690107), (473, 615698), (946, 307849), (1459, 199606), (2321, 125474), (2918, 99803), (4642, 62737), (9073, 32098), (16049, 18146)]