71540404

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{105829}}^1$

素因数の和:105859

約数の個数: 18

約数和(自身を含む): 135568230

約数和(自身を除く): 64027826

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 105829, 211658, 423316, 1375777, 2751554, 5503108, 17885101, 35770202, 71540404]

約数ペア:

[(1, 71540404), (2, 35770202), (4, 17885101), (13, 5503108), (26, 2751554), (52, 1375777), (169, 423316), (338, 211658), (676, 105829)]