55385356

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{81931}}^1$

素因数の和:81961

約数の個数: 18

約数和(自身を含む): 104954892

約数和(自身を除く): 49569536

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 81931, 163862, 327724, 1065103, 2130206, 4260412, 13846339, 27692678, 55385356]

約数ペア:

[(1, 55385356), (2, 27692678), (4, 13846339), (13, 4260412), (26, 2130206), (52, 1065103), (169, 327724), (338, 163862), (676, 81931)]