427996844

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{491}}^1\times {\mathrm{1801}}^1$

素因数の和:2318

約数の個数: 36

約数和(自身を含む): 825409704

約数和(自身を除く): 397412860

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 491, 982, 1801, 1964, 3602, 5401, 7204, 10802, 19811, 21604, 39622, 59411, 79244, 118822, 217921, 237644, 435842, 871684, 884291, 1768582, 3537164, 9727201, 19454402, 38908804, 106999211, 213998422, 427996844]

約数ペア:

[(1, 427996844), (2, 213998422), (4, 106999211), (11, 38908804), (22, 19454402), (44, 9727201), (121, 3537164), (242, 1768582), (484, 884291), (491, 871684), (982, 435842), (1801, 237644), (1964, 217921), (3602, 118822), (5401, 79244), (7204, 59411), (10802, 39622), (19811, 21604)]