28439996

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{42071}}^1$

素因数の和:42101

約数の個数: 18

約数和(自身を含む): 53894232

約数和(自身を除く): 25454236

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 42071, 84142, 168284, 546923, 1093846, 2187692, 7109999, 14219998, 28439996]

約数ペア:

[(1, 28439996), (2, 14219998), (4, 7109999), (13, 2187692), (26, 1093846), (52, 546923), (169, 168284), (338, 84142), (676, 42071)]