397474

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:138

約数の個数: 32

約数和(自身を含む): 777600

約数和(自身を除く): 380126

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 89, 154, 178, 203, 319, 406, 623, 638, 979, 1246, 1958, 2233, 2581, 4466, 5162, 6853, 13706, 18067, 28391, 36134, 56782, 198737, 397474]

約数ペア:

[(1, 397474), (2, 198737), (7, 56782), (11, 36134), (14, 28391), (22, 18067), (29, 13706), (58, 6853), (77, 5162), (89, 4466), (154, 2581), (178, 2233), (203, 1958), (319, 1246), (406, 979), (623, 638)]