28986542

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{191}}^1\times {\mathrm{449}}^1$

素因数の和:668

約数の個数: 24

約数和(自身を含む): 47433600

約数和(自身を除く): 18447058

約数列:

[1, 2, 13, 26, 169, 191, 338, 382, 449, 898, 2483, 4966, 5837, 11674, 32279, 64558, 75881, 85759, 151762, 171518, 1114867, 2229734, 14493271, 28986542]

約数ペア:

[(1, 28986542), (2, 14493271), (13, 2229734), (26, 1114867), (169, 171518), (191, 151762), (338, 85759), (382, 75881), (449, 64558), (898, 32279), (2483, 11674), (4966, 5837)]