199905990109

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{7669}}^1\times {\mathrm{47137}}^1$

素因数の和:54892

約数の個数: 16

約数和(自身を含む): 231391014400

約数和(自身を除く): 31485024291

約数列:

[1, 7, 79, 553, 7669, 47137, 53683, 329959, 605851, 3723823, 4240957, 26066761, 361493653, 2530455571, 28557998587, 199905990109]

約数ペア:

[(1, 199905990109), (7, 28557998587), (79, 2530455571), (553, 361493653), (7669, 26066761), (47137, 4240957), (53683, 3723823), (329959, 605851)]