90251588

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{23189}}^1$

素因数の和:23339

約数の個数: 24

約数和(自身を含む): 181809600

約数和(自身を除く): 91558012

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 23189, 46378, 92756, 162323, 324646, 649292, 3223271, 6446542, 12893084, 22562897, 45125794, 90251588]

約数ペア:

[(1, 90251588), (2, 45125794), (4, 22562897), (7, 12893084), (14, 6446542), (28, 3223271), (139, 649292), (278, 324646), (556, 162323), (973, 92756), (1946, 46378), (3892, 23189)]