26778895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 39422592

約数和(自身を除く): 12643697

約数列:

[1, 5, 11, 13, 43, 55, 65, 67, 143, 169, 215, 335, 473, 559, 715, 737, 845, 871, 1859, 2365, 2795, 2881, 3685, 4355, 6149, 7267, 9295, 9581, 11323, 14405, 30745, 31691, 36335, 37453, 47905, 56615, 79937, 124553, 158455, 187265, 399685, 411983, 486889, 622765, 2059915, 2434445, 5355779, 26778895]

約数ペア:

[(1, 26778895), (5, 5355779), (11, 2434445), (13, 2059915), (43, 622765), (55, 486889), (65, 411983), (67, 399685), (143, 187265), (169, 158455), (215, 124553), (335, 79937), (473, 56615), (559, 47905), (715, 37453), (737, 36335), (845, 31691), (871, 30745), (1859, 14405), (2365, 11323), (2795, 9581), (2881, 9295), (3685, 7267), (4355, 6149)]