220178814919

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{2027}}^1\times {\mathrm{674677}}^1$

素因数の和:676734

約数の個数: 16

約数和(自身を含む): 262703420928

約数和(自身を除く): 42524606009

約数列:

[1, 7, 23, 161, 2027, 14189, 46621, 326347, 674677, 4722739, 15517571, 108622997, 1367570279, 9572991953, 31454116417, 220178814919]

約数ペア:

[(1, 220178814919), (7, 31454116417), (23, 9572991953), (161, 1367570279), (2027, 108622997), (14189, 15517571), (46621, 4722739), (326347, 674677)]