257096638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1069}}^1\times {\mathrm{6329}}^1$

素因数の和:7419

約数の個数: 16

約数和(自身を含む): 406386000

約数和(自身を除く): 149289362

約数列:

[1, 2, 19, 38, 1069, 2138, 6329, 12658, 20311, 40622, 120251, 240502, 6765701, 13531402, 128548319, 257096638]

約数ペア:

[(1, 257096638), (2, 128548319), (19, 13531402), (38, 6765701), (1069, 240502), (2138, 120251), (6329, 40622), (12658, 20311)]