198649738

素因数分解:

$2^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{63629}}^1$

素因数の和:63861

約数の個数: 16

約数和(自身を含む): 342074880

約数和(自身を除く): 143425142

約数列:

[1, 2, 7, 14, 223, 446, 1561, 3122, 63629, 127258, 445403, 890806, 14189267, 28378534, 99324869, 198649738]

約数ペア:

[(1, 198649738), (2, 99324869), (7, 28378534), (14, 14189267), (223, 890806), (446, 445403), (1561, 127258), (3122, 63629)]