257046979

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{3517}}^1$

素因数の和:3774

約数の個数: 16

約数和(自身を含む): 300915648

約数和(自身を除く): 43868669

約数列:

[1, 7, 53, 197, 371, 1379, 3517, 10441, 24619, 73087, 186401, 692849, 1304807, 4849943, 36720997, 257046979]

約数ペア:

[(1, 257046979), (7, 36720997), (53, 4849943), (197, 1304807), (371, 692849), (1379, 186401), (3517, 73087), (10441, 24619)]