138868384

素因数分解:

$2^5\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 278552736

約数和(自身を除く): 139684352

約数列:

[1, 2, 4, 8, 16, 32, 131, 157, 211, 262, 314, 422, 524, 628, 844, 1048, 1256, 1688, 2096, 2512, 3376, 4192, 5024, 6752, 20567, 27641, 33127, 41134, 55282, 66254, 82268, 110564, 132508, 164536, 221128, 265016, 329072, 442256, 530032, 658144, 884512, 1060064, 4339637, 8679274, 17358548, 34717096, 69434192, 138868384]

約数ペア:

[(1, 138868384), (2, 69434192), (4, 34717096), (8, 17358548), (16, 8679274), (32, 4339637), (131, 1060064), (157, 884512), (211, 658144), (262, 530032), (314, 442256), (422, 329072), (524, 265016), (628, 221128), (844, 164536), (1048, 132508), (1256, 110564), (1688, 82268), (2096, 66254), (2512, 55282), (3376, 41134), (4192, 33127), (5024, 27641), (6752, 20567)]