28157038

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2179}}^1$

素因数の和:2272

約数の個数: 32

約数和(自身を含む): 52738560

約数和(自身を除く): 24581522

約数列:

[1, 2, 7, 13, 14, 26, 71, 91, 142, 182, 497, 923, 994, 1846, 2179, 4358, 6461, 12922, 15253, 28327, 30506, 56654, 154709, 198289, 309418, 396578, 1082963, 2011217, 2165926, 4022434, 14078519, 28157038]

約数ペア:

[(1, 28157038), (2, 14078519), (7, 4022434), (13, 2165926), (14, 2011217), (26, 1082963), (71, 396578), (91, 309418), (142, 198289), (182, 154709), (497, 56654), (923, 30506), (994, 28327), (1846, 15253), (2179, 12922), (4358, 6461)]