291274204

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{430879}}^1$

素因数の和:430909

約数の個数: 18

約数和(自身を含む): 551957280

約数和(自身を除く): 260683076

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 430879, 861758, 1723516, 5601427, 11202854, 22405708, 72818551, 145637102, 291274204]

約数ペア:

[(1, 291274204), (2, 145637102), (4, 72818551), (13, 22405708), (26, 11202854), (52, 5601427), (169, 1723516), (338, 861758), (676, 430879)]