1680702978

素因数分解:

$2^1\times 3^1\times {\mathrm{643}}^1\times {\mathrm{435641}}^1$

素因数の和:436289

約数の個数: 16

約数和(自身を含む): 3366641376

約数和(自身を除く): 1685938398

約数列:

[1, 2, 3, 6, 643, 1286, 1929, 3858, 435641, 871282, 1306923, 2613846, 280117163, 560234326, 840351489, 1680702978]

約数ペア:

[(1, 1680702978), (2, 840351489), (3, 560234326), (6, 280117163), (643, 2613846), (1286, 1306923), (1929, 871282), (3858, 435641)]