28503518

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{1109}}^1$

素因数の和:1363

約数の個数: 16

約数和(自身を含む): 43636320

約数和(自身を除く): 15132802

約数列:

[1, 2, 71, 142, 181, 362, 1109, 2218, 12851, 25702, 78739, 157478, 200729, 401458, 14251759, 28503518]

約数ペア:

[(1, 28503518), (2, 14251759), (71, 401458), (142, 200729), (181, 157478), (362, 78739), (1109, 25702), (2218, 12851)]