880051588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{393583}}^1$

素因数の和:393643

約数の個数: 24

約数和(自身を含む): 1697134208

約数和(自身を除く): 817082620

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 393583, 787166, 1574332, 5116579, 10233158, 16924069, 20466316, 33848138, 67696276, 220012897, 440025794, 880051588]

約数ペア:

[(1, 880051588), (2, 440025794), (4, 220012897), (13, 67696276), (26, 33848138), (43, 20466316), (52, 16924069), (86, 10233158), (172, 5116579), (559, 1574332), (1118, 787166), (2236, 393583)]