128249990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1165909}}^1$

素因数の和:1165927

約数の個数: 16

約数和(自身を含む): 251836560

約数和(自身を除く): 123586570

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1165909, 2331818, 5829545, 11659090, 12824999, 25649998, 64124995, 128249990]

約数ペア:

[(1, 128249990), (2, 64124995), (5, 25649998), (10, 12824999), (11, 11659090), (22, 5829545), (55, 2331818), (110, 1165909)]