38909714

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{2089}}^1$

素因数の和:2297

約数の個数: 16

約数和(自身を含む): 59690400

約数和(自身を除く): 20780686

約数列:

[1, 2, 67, 134, 139, 278, 2089, 4178, 9313, 18626, 139963, 279926, 290371, 580742, 19454857, 38909714]

約数ペア:

[(1, 38909714), (2, 19454857), (67, 580742), (134, 290371), (139, 279926), (278, 139963), (2089, 18626), (4178, 9313)]