128568517

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{653}}^1\times {\mathrm{2557}}^1$

素因数の和:3228

約数の個数: 16

約数和(自身を含む): 160601472

約数和(自身を除く): 32032955

約数列:

[1, 7, 11, 77, 653, 2557, 4571, 7183, 17899, 28127, 50281, 196889, 1669721, 11688047, 18366931, 128568517]

約数ペア:

[(1, 128568517), (7, 18366931), (11, 11688047), (77, 1669721), (653, 196889), (2557, 50281), (4571, 28127), (7183, 17899)]