803998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1$

素因数の和:156

約数の個数: 24

約数和(自身を含む): 1392552

約数和(自身を除く): 588554

約数列:

[1, 2, 13, 17, 26, 34, 107, 214, 221, 289, 442, 578, 1391, 1819, 2782, 3638, 3757, 7514, 23647, 30923, 47294, 61846, 401999, 803998]

約数ペア:

[(1, 803998), (2, 401999), (13, 61846), (17, 47294), (26, 30923), (34, 23647), (107, 7514), (214, 3757), (221, 3638), (289, 2782), (442, 1819), (578, 1391)]