1257487130

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{904667}}^1$

素因数の和:904813

約数の個数: 16

約数和(自身を含む): 2279763360

約数和(自身を除く): 1022276230

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 904667, 1809334, 4523335, 9046670, 125748713, 251497426, 628743565, 1257487130]

約数ペア:

[(1, 1257487130), (2, 628743565), (5, 251497426), (10, 125748713), (139, 9046670), (278, 4523335), (695, 1809334), (1390, 904667)]