28405090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4889}}^1$

素因数の和:4986

約数の個数: 32

約数和(自身を含む): 59149440

約数和(自身を除く): 30744350

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 83, 166, 415, 581, 830, 1162, 2905, 4889, 5810, 9778, 24445, 34223, 48890, 68446, 171115, 342230, 405787, 811574, 2028935, 2840509, 4057870, 5681018, 14202545, 28405090]

約数ペア:

[(1, 28405090), (2, 14202545), (5, 5681018), (7, 4057870), (10, 2840509), (14, 2028935), (35, 811574), (70, 405787), (83, 342230), (166, 171115), (415, 68446), (581, 48890), (830, 34223), (1162, 24445), (2905, 9778), (4889, 5810)]