31771012

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 71746584

約数和(自身を除く): 39975572

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 49, 52, 74, 91, 98, 148, 182, 196, 259, 337, 364, 481, 518, 637, 674, 962, 1036, 1274, 1348, 1813, 1924, 2359, 2548, 3367, 3626, 4381, 4718, 6734, 7252, 8762, 9436, 12469, 13468, 16513, 17524, 23569, 24938, 30667, 33026, 47138, 49876, 61334, 66052, 87283, 94276, 122668, 162097, 174566, 214669, 324194, 349132, 429338, 610981, 648388, 858676, 1134679, 1221962, 2269358, 2443924, 4538716, 7942753, 15885506, 31771012]

約数ペア:

[(1, 31771012), (2, 15885506), (4, 7942753), (7, 4538716), (13, 2443924), (14, 2269358), (26, 1221962), (28, 1134679), (37, 858676), (49, 648388), (52, 610981), (74, 429338), (91, 349132), (98, 324194), (148, 214669), (182, 174566), (196, 162097), (259, 122668), (337, 94276), (364, 87283), (481, 66052), (518, 61334), (637, 49876), (674, 47138), (962, 33026), (1036, 30667), (1274, 24938), (1348, 23569), (1813, 17524), (1924, 16513), (2359, 13468), (2548, 12469), (3367, 9436), (3626, 8762), (4381, 7252), (4718, 6734)]