551489276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{246641}}^1$

素因数の和:246701

約数の個数: 24

約数和(自身を含む): 1063520304

約数和(自身を除く): 512031028

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 246641, 493282, 986564, 3206333, 6412666, 10605563, 12825332, 21211126, 42422252, 137872319, 275744638, 551489276]

約数ペア:

[(1, 551489276), (2, 275744638), (4, 137872319), (13, 42422252), (26, 21211126), (43, 12825332), (52, 10605563), (86, 6412666), (172, 3206333), (559, 986564), (1118, 493282), (2236, 246641)]