11987899

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{967}}^1$

素因数の和:1015

約数の個数: 24

約数和(自身を含む): 15890688

約数和(自身を除く): 3902789

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 967, 1127, 1771, 6769, 10637, 12397, 22241, 47383, 74459, 155687, 244651, 521213, 1089809, 1712557, 11987899]

約数ペア:

[(1, 11987899), (7, 1712557), (11, 1089809), (23, 521213), (49, 244651), (77, 155687), (161, 74459), (253, 47383), (539, 22241), (967, 12397), (1127, 10637), (1771, 6769)]