489143908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{56431}}^1$

素因数の和:56643

約数の個数: 24

約数和(自身を含む): 938577024

約数和(自身を除く): 449433116

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 2167, 4334, 8668, 56431, 112862, 225724, 620741, 1241482, 2482964, 11116907, 22233814, 44467628, 122285977, 244571954, 489143908]

約数ペア:

[(1, 489143908), (2, 244571954), (4, 122285977), (11, 44467628), (22, 22233814), (44, 11116907), (197, 2482964), (394, 1241482), (788, 620741), (2167, 225724), (4334, 112862), (8668, 56431)]