257137013

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{52253}}^1$

素因数の和:52316

約数の個数: 16

約数和(自身を含む): 317704320

約数和(自身を除く): 60567307

約数列:

[1, 7, 19, 37, 133, 259, 703, 4921, 52253, 365771, 992807, 1933361, 6949649, 13533527, 36733859, 257137013]

約数ペア:

[(1, 257137013), (7, 36733859), (19, 13533527), (37, 6949649), (133, 1933361), (259, 992807), (703, 365771), (4921, 52253)]