43881136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{210967}}^1$

素因数の和:210988

約数の個数: 20

約数和(自身を含む): 91560112

約数和(自身を除く): 47678976

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 210967, 421934, 843868, 1687736, 2742571, 3375472, 5485142, 10970284, 21940568, 43881136]

約数ペア:

[(1, 43881136), (2, 21940568), (4, 10970284), (8, 5485142), (13, 3375472), (16, 2742571), (26, 1687736), (52, 843868), (104, 421934), (208, 210967)]