261941638

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{22901}}^1$

素因数の和:22972

約数の個数: 32

約数和(自身を含む): 483690240

約数和(自身を除く): 221748602

約数列:

[1, 2, 7, 14, 19, 38, 43, 86, 133, 266, 301, 602, 817, 1634, 5719, 11438, 22901, 45802, 160307, 320614, 435119, 870238, 984743, 1969486, 3045833, 6091666, 6893201, 13786402, 18710117, 37420234, 130970819, 261941638]

約数ペア:

[(1, 261941638), (2, 130970819), (7, 37420234), (14, 18710117), (19, 13786402), (38, 6893201), (43, 6091666), (86, 3045833), (133, 1969486), (266, 984743), (301, 870238), (602, 435119), (817, 320614), (1634, 160307), (5719, 45802), (11438, 22901)]