31644872

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 71884800

約数和(自身を除く): 40239928

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 79, 92, 158, 161, 184, 311, 316, 322, 553, 622, 632, 644, 1106, 1244, 1288, 1817, 2177, 2212, 2488, 3634, 4354, 4424, 7153, 7268, 8708, 12719, 14306, 14536, 17416, 24569, 25438, 28612, 49138, 50071, 50876, 57224, 98276, 100142, 101752, 171983, 196552, 200284, 343966, 400568, 565087, 687932, 1130174, 1375864, 2260348, 3955609, 4520696, 7911218, 15822436, 31644872]

約数ペア:

[(1, 31644872), (2, 15822436), (4, 7911218), (7, 4520696), (8, 3955609), (14, 2260348), (23, 1375864), (28, 1130174), (46, 687932), (56, 565087), (79, 400568), (92, 343966), (158, 200284), (161, 196552), (184, 171983), (311, 101752), (316, 100142), (322, 98276), (553, 57224), (622, 50876), (632, 50071), (644, 49138), (1106, 28612), (1244, 25438), (1288, 24569), (1817, 17416), (2177, 14536), (2212, 14306), (2488, 12719), (3634, 8708), (4354, 7268), (4424, 7153)]