51107888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{245711}}^1$

素因数の和:245732

約数の個数: 20

約数和(自身を含む): 106639008

約数和(自身を除く): 55531120

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 245711, 491422, 982844, 1965688, 3194243, 3931376, 6388486, 12776972, 25553944, 51107888]

約数ペア:

[(1, 51107888), (2, 25553944), (4, 12776972), (8, 6388486), (13, 3931376), (16, 3194243), (26, 1965688), (52, 982844), (104, 491422), (208, 245711)]