813488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3911}}^1$

素因数の和:3932

約数の個数: 20

約数和(自身を含む): 1697808

約数和(自身を除く): 884320

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3911, 7822, 15644, 31288, 50843, 62576, 101686, 203372, 406744, 813488]

約数ペア:

[(1, 813488), (2, 406744), (4, 203372), (8, 101686), (13, 62576), (16, 50843), (26, 31288), (52, 15644), (104, 7822), (208, 3911)]