12870728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{123757}}^1$

素因数の和:123776

約数の個数: 16

約数和(自身を含む): 25989180

約数和(自身を除く): 13118452

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 123757, 247514, 495028, 990056, 1608841, 3217682, 6435364, 12870728]

約数ペア:

[(1, 12870728), (2, 6435364), (4, 3217682), (8, 1608841), (13, 990056), (26, 495028), (52, 247514), (104, 123757)]