28224170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1091}}^1$

素因数の和:1310

約数の個数: 32

約数和(自身を含む): 55036800

約数和(自身を除く): 26812630

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1091, 1990, 2182, 2587, 5174, 5455, 10910, 12935, 14183, 25870, 28366, 70915, 141830, 217109, 434218, 1085545, 2171090, 2822417, 5644834, 14112085, 28224170]

約数ペア:

[(1, 28224170), (2, 14112085), (5, 5644834), (10, 2822417), (13, 2171090), (26, 1085545), (65, 434218), (130, 217109), (199, 141830), (398, 70915), (995, 28366), (1091, 25870), (1990, 14183), (2182, 12935), (2587, 10910), (5174, 5455)]