391209748

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{809}}^1\times {\mathrm{2281}}^1$

素因数の和:3147

約数の個数: 24

約数和(自身を含む): 698702760

約数和(自身を除く): 307493012

約数列:

[1, 2, 4, 53, 106, 212, 809, 1618, 2281, 3236, 4562, 9124, 42877, 85754, 120893, 171508, 241786, 483572, 1845329, 3690658, 7381316, 97802437, 195604874, 391209748]

約数ペア:

[(1, 391209748), (2, 195604874), (4, 97802437), (53, 7381316), (106, 3690658), (212, 1845329), (809, 483572), (1618, 241786), (2281, 171508), (3236, 120893), (4562, 85754), (9124, 42877)]