27880268

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{41243}}^1$

素因数の和:41273

約数の個数: 18

約数和(自身を含む): 52833564

約数和(自身を除く): 24953296

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 41243, 82486, 164972, 536159, 1072318, 2144636, 6970067, 13940134, 27880268]

約数ペア:

[(1, 27880268), (2, 13940134), (4, 6970067), (13, 2144636), (26, 1072318), (52, 536159), (169, 164972), (338, 82486), (676, 41243)]