28039804

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{41479}}^1$

素因数の和:41509

約数の個数: 18

約数和(自身を含む): 53135880

約数和(自身を除く): 25096076

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 41479, 82958, 165916, 539227, 1078454, 2156908, 7009951, 14019902, 28039804]

約数ペア:

[(1, 28039804), (2, 14019902), (4, 7009951), (13, 2156908), (26, 1078454), (52, 539227), (169, 165916), (338, 82958), (676, 41479)]