642309594

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{1507769}}^1$

素因数の和:1507845

約数の個数: 16

約数和(自身を含む): 1302713280

約数和(自身を除く): 660403686

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 1507769, 3015538, 4523307, 9046614, 107051599, 214103198, 321154797, 642309594]

約数ペア:

[(1, 642309594), (2, 321154797), (3, 214103198), (6, 107051599), (71, 9046614), (142, 4523307), (213, 3015538), (426, 1507769)]