2188663491

素因数分解:

$3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{523729}}^1$

素因数の和:523938

約数の個数: 16

約数和(自身を含む): 3351872000

約数和(自身を除く): 1163208509

約数列:

[1, 3, 7, 21, 199, 597, 1393, 4179, 523729, 1571187, 3666103, 10998309, 104222071, 312666213, 729554497, 2188663491]

約数ペア:

[(1, 2188663491), (3, 729554497), (7, 312666213), (21, 104222071), (199, 10998309), (597, 3666103), (1393, 1571187), (4179, 523729)]