28153788

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{180473}}^1$

素因数の和:180493

約数の個数: 24

約数和(自身を含む): 70745808

約数和(自身を除く): 42592020

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 180473, 360946, 541419, 721892, 1082838, 2165676, 2346149, 4692298, 7038447, 9384596, 14076894, 28153788]

約数ペア:

[(1, 28153788), (2, 14076894), (3, 9384596), (4, 7038447), (6, 4692298), (12, 2346149), (13, 2165676), (26, 1082838), (39, 721892), (52, 541419), (78, 360946), (156, 180473)]