1320221746

素因数分解:

$2^1\times {\mathrm{311}}^1\times {\mathrm{643}}^1\times {\mathrm{3301}}^1$

素因数の和:4257

約数の個数: 16

約数和(自身を含む): 1990392768

約数和(自身を除く): 670171022

約数列:

[1, 2, 311, 622, 643, 1286, 3301, 6602, 199973, 399946, 1026611, 2053222, 2122543, 4245086, 660110873, 1320221746]

約数ペア:

[(1, 1320221746), (2, 660110873), (311, 4245086), (622, 2122543), (643, 2053222), (1286, 1026611), (3301, 399946), (6602, 199973)]