287838142

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{4643}}^1$

素因数の和:5007

約数の個数: 16

約数和(自身を含む): 436907520

約数和(自身を除く): 149069378

約数列:

[1, 2, 139, 223, 278, 446, 4643, 9286, 30997, 61994, 645377, 1035389, 1290754, 2070778, 143919071, 287838142]

約数ペア:

[(1, 287838142), (2, 143919071), (139, 2070778), (223, 1290754), (278, 1035389), (446, 645377), (4643, 61994), (9286, 30997)]