978213380

素因数分解:

$2^2\times 5^1\times {\mathrm{48910669}}^1$

素因数の和:48910678

約数の個数: 12

約数和(自身を含む): 2054248140

約数和(自身を除く): 1076034760

約数列:

[1, 2, 4, 5, 10, 20, 48910669, 97821338, 195642676, 244553345, 489106690, 978213380]

約数ペア:

[(1, 978213380), (2, 489106690), (4, 244553345), (5, 195642676), (10, 97821338), (20, 48910669)]