129620204

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{243647}}^1$

素因数の和:243677

約数の個数: 24

約数和(自身を含む): 272885760

約数和(自身を除く): 143265556

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 243647, 487294, 974588, 1705529, 3411058, 4629293, 6822116, 9258586, 18517172, 32405051, 64810102, 129620204]

約数ペア:

[(1, 129620204), (2, 64810102), (4, 32405051), (7, 18517172), (14, 9258586), (19, 6822116), (28, 4629293), (38, 3411058), (76, 1705529), (133, 974588), (266, 487294), (532, 243647)]