80661196

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{261887}}^1$

素因数の和:261909

約数の個数: 24

約数和(自身を含む): 175988736

約数和(自身を除く): 95327540

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 261887, 523774, 1047548, 1833209, 2880757, 3666418, 5761514, 7332836, 11523028, 20165299, 40330598, 80661196]

約数ペア:

[(1, 80661196), (2, 40330598), (4, 20165299), (7, 11523028), (11, 7332836), (14, 5761514), (22, 3666418), (28, 2880757), (44, 1833209), (77, 1047548), (154, 523774), (308, 261887)]