290471398

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{309671}}^1$

素因数の和:309747

約数の個数: 16

約数和(自身を含む): 505384704

約数和(自身を除く): 214913306

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 309671, 619342, 2167697, 4335394, 20747957, 41495914, 145235699, 290471398]

約数ペア:

[(1, 290471398), (2, 145235699), (7, 41495914), (14, 20747957), (67, 4335394), (134, 2167697), (469, 619342), (938, 309671)]