1557071028

素因数分解:

$2^2\times 3^2\times {\mathrm{43251973}}^1$

素因数の和:43251983

約数の個数: 18

約数和(自身を含む): 3935929634

約数和(自身を除く): 2378858606

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43251973, 86503946, 129755919, 173007892, 259511838, 389267757, 519023676, 778535514, 1557071028]

約数ペア:

[(1, 1557071028), (2, 778535514), (3, 519023676), (4, 389267757), (6, 259511838), (9, 173007892), (12, 129755919), (18, 86503946), (36, 43251973)]