389655658

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{25939}}^1$

素因数の和:26014

約数の個数: 32

約数和(自身を含む): 709718400

約数和(自身を除く): 320062742

約数列:

[1, 2, 7, 14, 29, 37, 58, 74, 203, 259, 406, 518, 1073, 2146, 7511, 15022, 25939, 51878, 181573, 363146, 752231, 959743, 1504462, 1919486, 5265617, 6718201, 10531234, 13436402, 27832547, 55665094, 194827829, 389655658]

約数ペア:

[(1, 389655658), (2, 194827829), (7, 55665094), (14, 27832547), (29, 13436402), (37, 10531234), (58, 6718201), (74, 5265617), (203, 1919486), (259, 1504462), (406, 959743), (518, 752231), (1073, 363146), (2146, 181573), (7511, 51878), (15022, 25939)]