28406910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{135271}}^1$

素因数の和:135288

約数の個数: 32

約数和(自身を含む): 77916672

約数和(自身を除く): 49509762

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 135271, 270542, 405813, 676355, 811626, 946897, 1352710, 1893794, 2029065, 2840691, 4058130, 4734485, 5681382, 9468970, 14203455, 28406910]

約数ペア:

[(1, 28406910), (2, 14203455), (3, 9468970), (5, 5681382), (6, 4734485), (7, 4058130), (10, 2840691), (14, 2029065), (15, 1893794), (21, 1352710), (30, 946897), (35, 811626), (42, 676355), (70, 405813), (105, 270542), (210, 135271)]