201897493

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{577}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 242877912

約数和(自身を除く): 40980419

約数列:

[1, 7, 37, 49, 193, 259, 577, 1351, 1813, 4039, 7141, 9457, 21349, 28273, 49987, 111361, 149443, 349909, 779527, 1046101, 4120357, 5456689, 28842499, 201897493]

約数ペア:

[(1, 201897493), (7, 28842499), (37, 5456689), (49, 4120357), (193, 1046101), (259, 779527), (577, 349909), (1351, 149443), (1813, 111361), (4039, 49987), (7141, 28273), (9457, 21349)]