42160909

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1999}}^1$

素因数の和:2160

約数の個数: 16

約数和(自身を含む): 50688000

約数和(自身を除く): 8527091

約数列:

[1, 7, 23, 131, 161, 917, 1999, 3013, 13993, 21091, 45977, 261869, 321839, 1833083, 6022987, 42160909]

約数ペア:

[(1, 42160909), (7, 6022987), (23, 1833083), (131, 321839), (161, 261869), (917, 45977), (1999, 21091), (3013, 13993)]