15681718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2087}}^1$

素因数の和:2136

約数の個数: 24

約数和(自身を含む): 26922672

約数和(自身を除く): 11240954

約数列:

[1, 2, 13, 17, 26, 34, 221, 289, 442, 578, 2087, 3757, 4174, 7514, 27131, 35479, 54262, 70958, 461227, 603143, 922454, 1206286, 7840859, 15681718]

約数ペア:

[(1, 15681718), (2, 7840859), (13, 1206286), (17, 922454), (26, 603143), (34, 461227), (221, 70958), (289, 54262), (442, 35479), (578, 27131), (2087, 7514), (3757, 4174)]