1989980848

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{319727}}^1$

素因数の和:320124

約数の個数: 20

約数和(自身を含む): 3865511520

約数和(自身を除く): 1875530672

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 319727, 639454, 1278908, 2557816, 5115632, 124373803, 248747606, 497495212, 994990424, 1989980848]

約数ペア:

[(1, 1989980848), (2, 994990424), (4, 497495212), (8, 248747606), (16, 124373803), (389, 5115632), (778, 2557816), (1556, 1278908), (3112, 639454), (6224, 319727)]