1998888

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{2251}}^1$

素因数の和:2297

約数の個数: 32

約数和(自身を含む): 5134560

約数和(自身を除く): 3135672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 2251, 4502, 6753, 9004, 13506, 18008, 27012, 54024, 83287, 166574, 249861, 333148, 499722, 666296, 999444, 1998888]

約数ペア:

[(1, 1998888), (2, 999444), (3, 666296), (4, 499722), (6, 333148), (8, 249861), (12, 166574), (24, 83287), (37, 54024), (74, 27012), (111, 18008), (148, 13506), (222, 9004), (296, 6753), (444, 4502), (888, 2251)]