320426456

素因数分解:

$2^3\times 7^1\times {\mathrm{5721901}}^1$

素因数の和:5721914

約数の個数: 16

約数和(自身を含む): 686628240

約数和(自身を除く): 366201784

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 5721901, 11443802, 22887604, 40053307, 45775208, 80106614, 160213228, 320426456]

約数ペア:

[(1, 320426456), (2, 160213228), (4, 80106614), (7, 45775208), (8, 40053307), (14, 22887604), (28, 11443802), (56, 5721901)]