2581567492

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{663301}}^1$

素因数の和:663451

約数の個数: 24

約数和(自身を含む): 5200287680

約数和(自身を除く): 2618720188

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 663301, 1326602, 2653204, 4643107, 9286214, 18572428, 92198839, 184397678, 368795356, 645391873, 1290783746, 2581567492]

約数ペア:

[(1, 2581567492), (2, 1290783746), (4, 645391873), (7, 368795356), (14, 184397678), (28, 92198839), (139, 18572428), (278, 9286214), (556, 4643107), (973, 2653204), (1946, 1326602), (3892, 663301)]