257156743646

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{131336437}}^1$

素因数の和:131336539

約数の個数: 16

約数和(自身を含む): 425530059120

約数和(自身を除く): 168373315474

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 131336437, 262672874, 1444700807, 2889401614, 11688942893, 23377885786, 128578371823, 257156743646]

約数ペア:

[(1, 257156743646), (2, 128578371823), (11, 23377885786), (22, 11688942893), (89, 2889401614), (178, 1444700807), (979, 262672874), (1958, 131336437)]