128478670

素因数分解:

$2^1\times 5^1\times {\mathrm{613}}^1\times {\mathrm{20959}}^1$

素因数の和:21579

約数の個数: 16

約数和(自身を含む): 231649920

約数和(自身を除く): 103171250

約数列:

[1, 2, 5, 10, 613, 1226, 3065, 6130, 20959, 41918, 104795, 209590, 12847867, 25695734, 64239335, 128478670]

約数ペア:

[(1, 128478670), (2, 64239335), (5, 25695734), (10, 12847867), (613, 209590), (1226, 104795), (3065, 41918), (6130, 20959)]