71621284

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{757}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 149416960

約数和(自身を除く): 77795676

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 109, 124, 217, 218, 434, 436, 757, 763, 868, 1514, 1526, 3028, 3052, 3379, 5299, 6758, 10598, 13516, 21196, 23467, 23653, 46934, 47306, 82513, 93868, 94612, 164269, 165026, 328538, 330052, 577591, 657076, 1155182, 2310364, 2557903, 5115806, 10231612, 17905321, 35810642, 71621284]

約数ペア:

[(1, 71621284), (2, 35810642), (4, 17905321), (7, 10231612), (14, 5115806), (28, 2557903), (31, 2310364), (62, 1155182), (109, 657076), (124, 577591), (217, 330052), (218, 328538), (434, 165026), (436, 164269), (757, 94612), (763, 93868), (868, 82513), (1514, 47306), (1526, 46934), (3028, 23653), (3052, 23467), (3379, 21196), (5299, 13516), (6758, 10598)]