261536884

素因数分解:

$2^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{21277}}^1$

素因数の和:21727

約数の個数: 24

約数和(自身を含む): 524289920

約数和(自身を除く): 262753036

約数列:

[1, 2, 4, 7, 14, 28, 439, 878, 1756, 3073, 6146, 12292, 21277, 42554, 85108, 148939, 297878, 595756, 9340603, 18681206, 37362412, 65384221, 130768442, 261536884]

約数ペア:

[(1, 261536884), (2, 130768442), (4, 65384221), (7, 37362412), (14, 18681206), (28, 9340603), (439, 595756), (878, 297878), (1756, 148939), (3073, 85108), (6146, 42554), (12292, 21277)]