31688664

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 96768000

約数和(自身を除く): 65079336

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 59, 69, 84, 92, 118, 138, 139, 161, 168, 177, 184, 236, 276, 278, 322, 354, 413, 417, 472, 483, 552, 556, 644, 708, 826, 834, 966, 973, 1112, 1239, 1288, 1357, 1416, 1652, 1668, 1932, 1946, 2478, 2714, 2919, 3197, 3304, 3336, 3864, 3892, 4071, 4956, 5428, 5838, 6394, 7784, 8142, 8201, 9499, 9591, 9912, 10856, 11676, 12788, 16284, 16402, 18998, 19182, 22379, 23352, 24603, 25576, 28497, 32568, 32804, 37996, 38364, 44758, 49206, 56994, 57407, 65608, 67137, 75992, 76728, 89516, 98412, 113988, 114814, 134274, 172221, 179032, 188623, 196824, 227976, 229628, 268548, 344442, 377246, 459256, 537096, 565869, 688884, 754492, 1131738, 1320361, 1377768, 1508984, 2263476, 2640722, 3961083, 4526952, 5281444, 7922166, 10562888, 15844332, 31688664]

約数ペア:

[(1, 31688664), (2, 15844332), (3, 10562888), (4, 7922166), (6, 5281444), (7, 4526952), (8, 3961083), (12, 2640722), (14, 2263476), (21, 1508984), (23, 1377768), (24, 1320361), (28, 1131738), (42, 754492), (46, 688884), (56, 565869), (59, 537096), (69, 459256), (84, 377246), (92, 344442), (118, 268548), (138, 229628), (139, 227976), (161, 196824), (168, 188623), (177, 179032), (184, 172221), (236, 134274), (276, 114814), (278, 113988), (322, 98412), (354, 89516), (413, 76728), (417, 75992), (472, 67137), (483, 65608), (552, 57407), (556, 56994), (644, 49206), (708, 44758), (826, 38364), (834, 37996), (966, 32804), (973, 32568), (1112, 28497), (1239, 25576), (1288, 24603), (1357, 23352), (1416, 22379), (1652, 19182), (1668, 18998), (1932, 16402), (1946, 16284), (2478, 12788), (2714, 11676), (2919, 10856), (3197, 9912), (3304, 9591), (3336, 9499), (3864, 8201), (3892, 8142), (4071, 7784), (4956, 6394), (5428, 5838)]