138426128

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:663

約数の個数: 40

約数和(自身を含む): 272396256

約数和(自身を除く): 133970128

約数列:

[1, 2, 4, 8, 16, 131, 211, 262, 313, 422, 524, 626, 844, 1048, 1252, 1688, 2096, 2504, 3376, 5008, 27641, 41003, 55282, 66043, 82006, 110564, 132086, 164012, 221128, 264172, 328024, 442256, 528344, 656048, 1056688, 8651633, 17303266, 34606532, 69213064, 138426128]

約数ペア:

[(1, 138426128), (2, 69213064), (4, 34606532), (8, 17303266), (16, 8651633), (131, 1056688), (211, 656048), (262, 528344), (313, 442256), (422, 328024), (524, 264172), (626, 221128), (844, 164012), (1048, 132086), (1252, 110564), (1688, 82006), (2096, 66043), (2504, 55282), (3376, 41003), (5008, 27641)]