139800038

素因数分解:

$2^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{6397}}^1$

素因数の和:6636

約数の個数: 24

約数和(自身を含む): 245068992

約数和(自身を除く): 105268954

約数列:

[1, 2, 7, 14, 49, 98, 223, 446, 1561, 3122, 6397, 10927, 12794, 21854, 44779, 89558, 313453, 626906, 1426531, 2853062, 9985717, 19971434, 69900019, 139800038]

約数ペア:

[(1, 139800038), (2, 69900019), (7, 19971434), (14, 9985717), (49, 2853062), (98, 1426531), (223, 626906), (446, 313453), (1561, 89558), (3122, 44779), (6397, 21854), (10927, 12794)]