389490046

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{43499}}^1$

素因数の和:43560

約数の個数: 24

約数和(自身を含む): 659547000

約数和(自身を除く): 270056954

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 407, 814, 4477, 8954, 43499, 86998, 478489, 956978, 1609463, 3218926, 5263379, 10526758, 17704093, 35408186, 194745023, 389490046]

約数ペア:

[(1, 389490046), (2, 194745023), (11, 35408186), (22, 17704093), (37, 10526758), (74, 5263379), (121, 3218926), (242, 1609463), (407, 956978), (814, 478489), (4477, 86998), (8954, 43499)]