161321569412

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{8017}}^1\times {\mathrm{82469}}^1$

素因数の和:90551

約数の個数: 24

約数和(自身を含む): 286980095640

約数和(自身を除く): 125658526228

約数列:

[1, 2, 4, 61, 122, 244, 8017, 16034, 32068, 82469, 164938, 329876, 489037, 978074, 1956148, 5030609, 10061218, 20122436, 661153973, 1322307946, 2644615892, 40330392353, 80660784706, 161321569412]

約数ペア:

[(1, 161321569412), (2, 80660784706), (4, 40330392353), (61, 2644615892), (122, 1322307946), (244, 661153973), (8017, 20122436), (16034, 10061218), (32068, 5030609), (82469, 1956148), (164938, 978074), (329876, 489037)]