278317439990

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{260109757}}^1$

素因数の和:260109871

約数の個数: 16

約数和(自身を含む): 505653369552

約数和(自身を除く): 227335929562

約数列:

[1, 2, 5, 10, 107, 214, 535, 1070, 260109757, 520219514, 1300548785, 2601097570, 27831743999, 55663487998, 139158719995, 278317439990]

約数ペア:

[(1, 278317439990), (2, 139158719995), (5, 55663487998), (10, 27831743999), (107, 2601097570), (214, 1300548785), (535, 520219514), (1070, 260109757)]