1780830401

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{57131}}^1$

素因数の和:57272

約数の個数: 16

約数和(自身を含む): 2096972928

約数和(自身を除く): 316142527

約数列:

[1, 7, 61, 73, 427, 511, 4453, 31171, 57131, 399917, 3484991, 4170563, 24394937, 29193941, 254404343, 1780830401]

約数ペア:

[(1, 1780830401), (7, 254404343), (61, 29193941), (73, 24394937), (427, 4170563), (511, 3484991), (4453, 399917), (31171, 57131)]