12778868178

素因数分解:

$2^1\times 3^3\times {\mathrm{236645707}}^1$

素因数の和:236645718

約数の個数: 16

約数和(自身を含む): 28397484960

約数和(自身を除く): 15618616782

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 236645707, 473291414, 709937121, 1419874242, 2129811363, 4259622726, 6389434089, 12778868178]

約数ペア:

[(1, 12778868178), (2, 6389434089), (3, 4259622726), (6, 2129811363), (9, 1419874242), (18, 709937121), (27, 473291414), (54, 236645707)]