1258741418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{642871}}^1$

素因数の和:642973

約数の個数: 16

約数和(自身を含む): 2082905280

約数和(自身を除く): 824163862

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 642871, 1285742, 7071581, 14143162, 57215519, 114431038, 629370709, 1258741418]

約数ペア:

[(1, 1258741418), (2, 629370709), (11, 114431038), (22, 57215519), (89, 14143162), (178, 7071581), (979, 1285742), (1958, 642871)]