2181384268

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{560479}}^1$

素因数の和:560629

約数の個数: 24

約数和(自身を含む): 4394163200

約数和(自身を除く): 2212778932

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 560479, 1120958, 2241916, 3923353, 7846706, 15693412, 77906581, 155813162, 311626324, 545346067, 1090692134, 2181384268]

約数ペア:

[(1, 2181384268), (2, 1090692134), (4, 545346067), (7, 311626324), (14, 155813162), (28, 77906581), (139, 15693412), (278, 7846706), (556, 3923353), (973, 2241916), (1946, 1120958), (3892, 560479)]