257300954

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{40241}}^1$

素因数の和:40405

約数の個数: 16

約数和(自身を含む): 405639360

約数和(自身を除く): 148338406

約数列:

[1, 2, 23, 46, 139, 278, 3197, 6394, 40241, 80482, 925543, 1851086, 5593499, 11186998, 128650477, 257300954]

約数ペア:

[(1, 257300954), (2, 128650477), (23, 11186998), (46, 5593499), (139, 1851086), (278, 925543), (3197, 80482), (6394, 40241)]