1290752470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{18439321}}^1$

素因数の和:18439335

約数の個数: 16

約数和(自身を含む): 2655262368

約数和(自身を除く): 1364509898

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 18439321, 36878642, 92196605, 129075247, 184393210, 258150494, 645376235, 1290752470]

約数ペア:

[(1, 1290752470), (2, 645376235), (5, 258150494), (7, 184393210), (10, 129075247), (14, 92196605), (35, 36878642), (70, 18439321)]