215007678

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{123143}}^1$

素因数の和:123248

約数の個数: 24

約数和(自身を含む): 470656368

約数和(自身を除く): 255648690

約数列:

[1, 2, 3, 6, 9, 18, 97, 194, 291, 582, 873, 1746, 123143, 246286, 369429, 738858, 1108287, 2216574, 11944871, 23889742, 35834613, 71669226, 107503839, 215007678]

約数ペア:

[(1, 215007678), (2, 107503839), (3, 71669226), (6, 35834613), (9, 23889742), (18, 11944871), (97, 2216574), (194, 1108287), (291, 738858), (582, 369429), (873, 246286), (1746, 123143)]