1388403774

素因数分解:

$2^1\times 3^3\times {\mathrm{25711181}}^1$

素因数の和:25711192

約数の個数: 16

約数和(自身を含む): 3085341840

約数和(自身を除く): 1696938066

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 25711181, 51422362, 77133543, 154267086, 231400629, 462801258, 694201887, 1388403774]

約数ペア:

[(1, 1388403774), (2, 694201887), (3, 462801258), (6, 231400629), (9, 154267086), (18, 77133543), (27, 51422362), (54, 25711181)]