247479128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{13147}}^1$

素因数の和:13347

約数の個数: 32

約数和(自身を含む): 502516560

約数和(自身を除く): 255037432

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181, 362, 724, 1448, 2353, 4706, 9412, 13147, 18824, 26294, 52588, 105176, 170911, 341822, 683644, 1367288, 2379607, 4759214, 9518428, 19036856, 30934891, 61869782, 123739564, 247479128]

約数ペア:

[(1, 247479128), (2, 123739564), (4, 61869782), (8, 30934891), (13, 19036856), (26, 9518428), (52, 4759214), (104, 2379607), (181, 1367288), (362, 683644), (724, 341822), (1448, 170911), (2353, 105176), (4706, 52588), (9412, 26294), (13147, 18824)]