998998

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 2016000

約数和(自身を除く): 1017002

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 499, 998, 1001, 2002, 3493, 5489, 6487, 6986, 10978, 12974, 38423, 45409, 71357, 76846, 90818, 142714, 499499, 998998]

約数ペア:

[(1, 998998), (2, 499499), (7, 142714), (11, 90818), (13, 76846), (14, 71357), (22, 45409), (26, 38423), (77, 12974), (91, 10978), (143, 6986), (154, 6487), (182, 5489), (286, 3493), (499, 2002), (998, 1001)]