28172072

素因数分解:

$2^3\times {\mathrm{331}}^1\times {\mathrm{10639}}^1$

素因数の和:10976

約数の個数: 16

約数和(自身を含む): 52987200

約数和(自身を除く): 24815128

約数列:

[1, 2, 4, 8, 331, 662, 1324, 2648, 10639, 21278, 42556, 85112, 3521509, 7043018, 14086036, 28172072]

約数ペア:

[(1, 28172072), (2, 14086036), (4, 7043018), (8, 3521509), (331, 85112), (662, 42556), (1324, 21278), (2648, 10639)]