1987876374

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{640837}}^1$

素因数の和:640900

約数の個数: 32

約数和(自身を含む): 4429472256

約数和(自身を除く): 2441595882

約数列:

[1, 2, 3, 6, 11, 22, 33, 47, 66, 94, 141, 282, 517, 1034, 1551, 3102, 640837, 1281674, 1922511, 3845022, 7049207, 14098414, 21147621, 30119339, 42295242, 60238678, 90358017, 180716034, 331312729, 662625458, 993938187, 1987876374]

約数ペア:

[(1, 1987876374), (2, 993938187), (3, 662625458), (6, 331312729), (11, 180716034), (22, 90358017), (33, 60238678), (47, 42295242), (66, 30119339), (94, 21147621), (141, 14098414), (282, 7049207), (517, 3845022), (1034, 1922511), (1551, 1281674), (3102, 640837)]