31291812

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:242

約数の個数: 96

約数和(自身を含む): 85612800

約数和(自身を除く): 54320988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 87, 97, 103, 108, 116, 174, 194, 206, 261, 291, 309, 348, 388, 412, 522, 582, 618, 783, 873, 927, 1044, 1164, 1236, 1566, 1746, 1854, 2619, 2781, 2813, 2987, 3132, 3492, 3708, 5238, 5562, 5626, 5974, 8439, 8961, 9991, 10476, 11124, 11252, 11948, 16878, 17922, 19982, 25317, 26883, 29973, 33756, 35844, 39964, 50634, 53766, 59946, 75951, 80649, 89919, 101268, 107532, 119892, 151902, 161298, 179838, 269757, 289739, 303804, 322596, 359676, 539514, 579478, 869217, 1079028, 1158956, 1738434, 2607651, 3476868, 5215302, 7822953, 10430604, 15645906, 31291812]

約数ペア:

[(1, 31291812), (2, 15645906), (3, 10430604), (4, 7822953), (6, 5215302), (9, 3476868), (12, 2607651), (18, 1738434), (27, 1158956), (29, 1079028), (36, 869217), (54, 579478), (58, 539514), (87, 359676), (97, 322596), (103, 303804), (108, 289739), (116, 269757), (174, 179838), (194, 161298), (206, 151902), (261, 119892), (291, 107532), (309, 101268), (348, 89919), (388, 80649), (412, 75951), (522, 59946), (582, 53766), (618, 50634), (783, 39964), (873, 35844), (927, 33756), (1044, 29973), (1164, 26883), (1236, 25317), (1566, 19982), (1746, 17922), (1854, 16878), (2619, 11948), (2781, 11252), (2813, 11124), (2987, 10476), (3132, 9991), (3492, 8961), (3708, 8439), (5238, 5974), (5562, 5626)]