81955764

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4813}}^1$

素因数の和:4877

約数の個数: 72

約数和(自身を含む): 231303072

約数和(自身を除く): 149347308

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 43, 44, 66, 86, 99, 129, 132, 172, 198, 258, 387, 396, 473, 516, 774, 946, 1419, 1548, 1892, 2838, 4257, 4813, 5676, 8514, 9626, 14439, 17028, 19252, 28878, 43317, 52943, 57756, 86634, 105886, 158829, 173268, 206959, 211772, 317658, 413918, 476487, 620877, 635316, 827836, 952974, 1241754, 1862631, 1905948, 2276549, 2483508, 3725262, 4553098, 6829647, 7450524, 9106196, 13659294, 20488941, 27318588, 40977882, 81955764]

約数ペア:

[(1, 81955764), (2, 40977882), (3, 27318588), (4, 20488941), (6, 13659294), (9, 9106196), (11, 7450524), (12, 6829647), (18, 4553098), (22, 3725262), (33, 2483508), (36, 2276549), (43, 1905948), (44, 1862631), (66, 1241754), (86, 952974), (99, 827836), (129, 635316), (132, 620877), (172, 476487), (198, 413918), (258, 317658), (387, 211772), (396, 206959), (473, 173268), (516, 158829), (774, 105886), (946, 86634), (1419, 57756), (1548, 52943), (1892, 43317), (2838, 28878), (4257, 19252), (4813, 17028), (5676, 14439), (8514, 9626)]