161777795

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{4049}}^1$

素因数の和:4246

約数の個数: 16

約数和(自身を含む): 198871200

約数和(自身を除く): 37093405

約数列:

[1, 5, 61, 131, 305, 655, 4049, 7991, 20245, 39955, 246989, 530419, 1234945, 2652095, 32355559, 161777795]

約数ペア:

[(1, 161777795), (5, 32355559), (61, 2652095), (131, 1234945), (305, 530419), (655, 246989), (4049, 39955), (7991, 20245)]