81758378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{20029}}^1$

素因数の和:20201

約数の個数: 16

約数和(自身を含む): 132919080

約数和(自身を除く): 51160702

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 20029, 40058, 260377, 520754, 3144553, 6289106, 40879189, 81758378]

約数ペア:

[(1, 81758378), (2, 40879189), (13, 6289106), (26, 3144553), (157, 520754), (314, 260377), (2041, 40058), (4082, 20029)]