1990735490

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2971247}}^1$

素因数の和:2971321

約数の個数: 16

約数和(自身を含む): 3636807552

約数和(自身を除く): 1646072062

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 2971247, 5942494, 14856235, 29712470, 199073549, 398147098, 995367745, 1990735490]

約数ペア:

[(1, 1990735490), (2, 995367745), (5, 398147098), (10, 199073549), (67, 29712470), (134, 14856235), (335, 5942494), (670, 2971247)]