678702921692

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{9980925319}}^1$

素因数の和:9980925340

約数の個数: 12

約数和(自身を含む): 1257596590320

約数和(自身を除く): 578893668628

約数列:

[1, 2, 4, 17, 34, 68, 9980925319, 19961850638, 39923701276, 169675730423, 339351460846, 678702921692]

約数ペア:

[(1, 678702921692), (2, 339351460846), (4, 169675730423), (17, 39923701276), (34, 19961850638), (68, 9980925319)]