81139472

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{61099}}^1$

素因数の和:61190

約数の個数: 20

約数和(自身を含む): 159104400

約数和(自身を除く): 77964928

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 61099, 122198, 244396, 488792, 977584, 5071217, 10142434, 20284868, 40569736, 81139472]

約数ペア:

[(1, 81139472), (2, 40569736), (4, 20284868), (8, 10142434), (16, 5071217), (83, 977584), (166, 488792), (332, 244396), (664, 122198), (1328, 61099)]