81181408

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{701}}^1$

素因数の和:776

約数の個数: 96

約数和(自身を含む): 203793408

約数和(自身を除く): 122612000

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 47, 56, 77, 88, 94, 112, 154, 176, 188, 224, 308, 329, 352, 376, 517, 616, 658, 701, 752, 1034, 1232, 1316, 1402, 1504, 2068, 2464, 2632, 2804, 3619, 4136, 4907, 5264, 5608, 7238, 7711, 8272, 9814, 10528, 11216, 14476, 15422, 16544, 19628, 22432, 28952, 30844, 32947, 39256, 53977, 57904, 61688, 65894, 78512, 107954, 115808, 123376, 131788, 157024, 215908, 230629, 246752, 263576, 362417, 431816, 461258, 527152, 724834, 863632, 922516, 1054304, 1449668, 1727264, 1845032, 2536919, 2899336, 3690064, 5073838, 5798672, 7380128, 10147676, 11597344, 20295352, 40590704, 81181408]

約数ペア:

[(1, 81181408), (2, 40590704), (4, 20295352), (7, 11597344), (8, 10147676), (11, 7380128), (14, 5798672), (16, 5073838), (22, 3690064), (28, 2899336), (32, 2536919), (44, 1845032), (47, 1727264), (56, 1449668), (77, 1054304), (88, 922516), (94, 863632), (112, 724834), (154, 527152), (176, 461258), (188, 431816), (224, 362417), (308, 263576), (329, 246752), (352, 230629), (376, 215908), (517, 157024), (616, 131788), (658, 123376), (701, 115808), (752, 107954), (1034, 78512), (1232, 65894), (1316, 61688), (1402, 57904), (1504, 53977), (2068, 39256), (2464, 32947), (2632, 30844), (2804, 28952), (3619, 22432), (4136, 19628), (4907, 16544), (5264, 15422), (5608, 14476), (7238, 11216), (7711, 10528), (8272, 9814)]