261805608

素因数分解:

$2^3\times 3^4\times {\mathrm{404021}}^1$

素因数の和:404039

約数の個数: 40

約数和(自身を含む): 733299930

約数和(自身を除く): 471494322

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 404021, 808042, 1212063, 1616084, 2424126, 3232168, 3636189, 4848252, 7272378, 9696504, 10908567, 14544756, 21817134, 29089512, 32725701, 43634268, 65451402, 87268536, 130902804, 261805608]

約数ペア:

[(1, 261805608), (2, 130902804), (3, 87268536), (4, 65451402), (6, 43634268), (8, 32725701), (9, 29089512), (12, 21817134), (18, 14544756), (24, 10908567), (27, 9696504), (36, 7272378), (54, 4848252), (72, 3636189), (81, 3232168), (108, 2424126), (162, 1616084), (216, 1212063), (324, 808042), (648, 404021)]