201521574

素因数分解:

$2^1\times 3^3\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 459110400

約数和(自身を除く): 257588826

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 97, 158, 194, 237, 291, 474, 487, 582, 711, 873, 974, 1422, 1461, 1746, 2133, 2619, 2922, 4266, 4383, 5238, 7663, 8766, 13149, 15326, 22989, 26298, 38473, 45978, 47239, 68967, 76946, 94478, 115419, 137934, 141717, 206901, 230838, 283434, 346257, 413802, 425151, 692514, 850302, 1038771, 1275453, 2077542, 2550906, 3731881, 7463762, 11195643, 22391286, 33586929, 67173858, 100760787, 201521574]

約数ペア:

[(1, 201521574), (2, 100760787), (3, 67173858), (6, 33586929), (9, 22391286), (18, 11195643), (27, 7463762), (54, 3731881), (79, 2550906), (97, 2077542), (158, 1275453), (194, 1038771), (237, 850302), (291, 692514), (474, 425151), (487, 413802), (582, 346257), (711, 283434), (873, 230838), (974, 206901), (1422, 141717), (1461, 137934), (1746, 115419), (2133, 94478), (2619, 76946), (2922, 68967), (4266, 47239), (4383, 45978), (5238, 38473), (7663, 26298), (8766, 22989), (13149, 15326)]