991022350

素因数分解:

$2^1\times 5^2\times {\mathrm{19820447}}^1$

素因数の和:19820459

約数の個数: 12

約数和(自身を含む): 1843301664

約数和(自身を除く): 852279314

約数列:

[1, 2, 5, 10, 25, 50, 19820447, 39640894, 99102235, 198204470, 495511175, 991022350]

約数ペア:

[(1, 991022350), (2, 495511175), (5, 198204470), (10, 99102235), (25, 39640894), (50, 19820447)]