287488108

素因数分解:

$2^2\times {\mathrm{4639}}^1\times {\mathrm{15493}}^1$

素因数の和:20136

約数の個数: 12

約数和(自身を含む): 503245120

約数和(自身を除く): 215757012

約数列:

[1, 2, 4, 4639, 9278, 15493, 18556, 30986, 61972, 71872027, 143744054, 287488108]

約数ペア:

[(1, 287488108), (2, 143744054), (4, 71872027), (4639, 61972), (9278, 30986), (15493, 18556)]