257156954

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 402796800

約数和(自身を除く): 145639846

約数列:

[1, 2, 53, 73, 106, 146, 167, 199, 334, 398, 3869, 7738, 8851, 10547, 12191, 14527, 17702, 21094, 24382, 29054, 33233, 66466, 646123, 769931, 1292246, 1539862, 1761349, 2426009, 3522698, 4852018, 128578477, 257156954]

約数ペア:

[(1, 257156954), (2, 128578477), (53, 4852018), (73, 3522698), (106, 2426009), (146, 1761349), (167, 1539862), (199, 1292246), (334, 769931), (398, 646123), (3869, 66466), (7738, 33233), (8851, 29054), (10547, 24382), (12191, 21094), (14527, 17702)]