398937842498

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{2003}}^1\times {\mathrm{20873}}^1$

素因数の和:23258

約数の個数: 32

約数和(自身を含む): 646547602176

約数和(自身を除く): 247609759678

約数列:

[1, 2, 13, 26, 367, 734, 2003, 4006, 4771, 9542, 20873, 26039, 41746, 52078, 271349, 542698, 735101, 1470202, 7660391, 9556313, 15320782, 19112626, 41808619, 83617238, 99585083, 199170166, 543512047, 1087024094, 15343763173, 30687526346, 199468921249, 398937842498]

約数ペア:

[(1, 398937842498), (2, 199468921249), (13, 30687526346), (26, 15343763173), (367, 1087024094), (734, 543512047), (2003, 199170166), (4006, 99585083), (4771, 83617238), (9542, 41808619), (20873, 19112626), (26039, 15320782), (41746, 9556313), (52078, 7660391), (271349, 1470202), (542698, 735101)]