138310384

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{210839}}^1$

素因数の和:210888

約数の個数: 20

約数和(自身を含む): 274513680

約数和(自身を除く): 136203296

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 210839, 421678, 843356, 1686712, 3373424, 8644399, 17288798, 34577596, 69155192, 138310384]

約数ペア:

[(1, 138310384), (2, 69155192), (4, 34577596), (8, 17288798), (16, 8644399), (41, 3373424), (82, 1686712), (164, 843356), (328, 421678), (656, 210839)]