1388403558

素因数分解:

$2^1\times 3^3\times {\mathrm{25711177}}^1$

素因数の和:25711188

約数の個数: 16

約数和(自身を含む): 3085341360

約数和(自身を除く): 1696937802

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 25711177, 51422354, 77133531, 154267062, 231400593, 462801186, 694201779, 1388403558]

約数ペア:

[(1, 1388403558), (2, 694201779), (3, 462801186), (6, 231400593), (9, 154267062), (18, 77133531), (27, 51422354), (54, 25711177)]