12878216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{123829}}^1$

素因数の和:123848

約数の個数: 16

約数和(自身を含む): 26004300

約数和(自身を除く): 13126084

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 123829, 247658, 495316, 990632, 1609777, 3219554, 6439108, 12878216]

約数ペア:

[(1, 12878216), (2, 6439108), (4, 3219554), (8, 1609777), (13, 990632), (26, 495316), (52, 247658), (104, 123829)]