28130908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2803}}^1$

素因数の和:3013

約数の個数: 24

約数和(自身を含む): 53309648

約数和(自身を除く): 25178740

約数列:

[1, 2, 4, 13, 26, 52, 193, 386, 772, 2509, 2803, 5018, 5606, 10036, 11212, 36439, 72878, 145756, 540979, 1081958, 2163916, 7032727, 14065454, 28130908]

約数ペア:

[(1, 28130908), (2, 14065454), (4, 7032727), (13, 2163916), (26, 1081958), (52, 540979), (193, 145756), (386, 72878), (772, 36439), (2509, 11212), (2803, 10036), (5018, 5606)]