12889136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61967}}^1$

素因数の和:61988

約数の個数: 20

約数和(自身を含む): 26894112

約数和(自身を除く): 14004976

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 61967, 123934, 247868, 495736, 805571, 991472, 1611142, 3222284, 6444568, 12889136]

約数ペア:

[(1, 12889136), (2, 6444568), (4, 3222284), (8, 1611142), (13, 991472), (16, 805571), (26, 495736), (52, 247868), (104, 123934), (208, 61967)]