1978528030

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1920901}}^1$

素因数の和:1921011

約数の個数: 16

約数和(自身を含む): 3595928544

約数和(自身を除く): 1617400514

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 1920901, 3841802, 9604505, 19209010, 197852803, 395705606, 989264015, 1978528030]

約数ペア:

[(1, 1978528030), (2, 989264015), (5, 395705606), (10, 197852803), (103, 19209010), (206, 9604505), (515, 3841802), (1030, 1920901)]