78983210

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{40093}}^1$

素因数の和:40297

約数の個数: 16

約数和(自身を含む): 142895016

約数和(自身を除く): 63911806

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 40093, 80186, 200465, 400930, 7898321, 15796642, 39491605, 78983210]

約数ペア:

[(1, 78983210), (2, 39491605), (5, 15796642), (10, 7898321), (197, 400930), (394, 200465), (985, 80186), (1970, 40093)]