12879984

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{20641}}^1$

素因数の和:20665

約数の個数: 40

約数和(自身を含む): 35834512

約数和(自身を除く): 22954528

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 20641, 41282, 61923, 82564, 123846, 165128, 247692, 268333, 330256, 495384, 536666, 804999, 990768, 1073332, 1609998, 2146664, 3219996, 4293328, 6439992, 12879984]

約数ペア:

[(1, 12879984), (2, 6439992), (3, 4293328), (4, 3219996), (6, 2146664), (8, 1609998), (12, 1073332), (13, 990768), (16, 804999), (24, 536666), (26, 495384), (39, 330256), (48, 268333), (52, 247692), (78, 165128), (104, 123846), (156, 82564), (208, 61923), (312, 41282), (624, 20641)]