156764890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{143821}}^1$

素因数の和:143937

約数の個数: 16

約数和(自身を含む): 284767560

約数和(自身を除く): 128002670

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 143821, 287642, 719105, 1438210, 15676489, 31352978, 78382445, 156764890]

約数ペア:

[(1, 156764890), (2, 78382445), (5, 31352978), (10, 15676489), (109, 1438210), (218, 719105), (545, 287642), (1090, 143821)]