81035552

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1487}}^1$

素因数の和:1641

約数の個数: 48

約数和(自身を含む): 173238912

約数和(自身を除く): 92203360

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 131, 208, 262, 416, 524, 1048, 1487, 1703, 2096, 2974, 3406, 4192, 5948, 6812, 11896, 13624, 19331, 23792, 27248, 38662, 47584, 54496, 77324, 154648, 194797, 309296, 389594, 618592, 779188, 1558376, 2532361, 3116752, 5064722, 6233504, 10129444, 20258888, 40517776, 81035552]

約数ペア:

[(1, 81035552), (2, 40517776), (4, 20258888), (8, 10129444), (13, 6233504), (16, 5064722), (26, 3116752), (32, 2532361), (52, 1558376), (104, 779188), (131, 618592), (208, 389594), (262, 309296), (416, 194797), (524, 154648), (1048, 77324), (1487, 54496), (1703, 47584), (2096, 38662), (2974, 27248), (3406, 23792), (4192, 19331), (5948, 13624), (6812, 11896)]