397135088

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{39841}}^1$

素因数の和:39945

約数の個数: 40

約数和(自身を含む): 889273440

約数和(自身を除く): 492138352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9968, 39841, 79682, 159364, 278887, 318728, 557774, 637456, 1115548, 2231096, 3545849, 4462192, 7091698, 14183396, 24820943, 28366792, 49641886, 56733584, 99283772, 198567544, 397135088]

約数ペア:

[(1, 397135088), (2, 198567544), (4, 99283772), (7, 56733584), (8, 49641886), (14, 28366792), (16, 24820943), (28, 14183396), (56, 7091698), (89, 4462192), (112, 3545849), (178, 2231096), (356, 1115548), (623, 637456), (712, 557774), (1246, 318728), (1424, 278887), (2492, 159364), (4984, 79682), (9968, 39841)]