161971278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{43331}}^1$

素因数の和:43432

約数の個数: 32

約数和(自身を含む): 374388480

約数和(自身を除く): 212417202

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 89, 178, 267, 534, 623, 1246, 1869, 3738, 43331, 86662, 129993, 259986, 303317, 606634, 909951, 1819902, 3856459, 7712918, 11569377, 23138754, 26995213, 53990426, 80985639, 161971278]

約数ペア:

[(1, 161971278), (2, 80985639), (3, 53990426), (6, 26995213), (7, 23138754), (14, 11569377), (21, 7712918), (42, 3856459), (89, 1819902), (178, 909951), (267, 606634), (534, 303317), (623, 259986), (1246, 129993), (1869, 86662), (3738, 43331)]