67640447

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{10247}}^1$

素因数の和:10318

約数の個数: 16

約数和(自身を含む): 82639872

約数和(自身を除く): 14999425

約数列:

[1, 7, 23, 41, 161, 287, 943, 6601, 10247, 71729, 235681, 420127, 1649767, 2940889, 9662921, 67640447]

約数ペア:

[(1, 67640447), (7, 9662921), (23, 2940889), (41, 1649767), (161, 420127), (287, 235681), (943, 71729), (6601, 10247)]