1981036

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 3687264

約数和(自身を除く): 1706228

約数列:

[1, 2, 4, 23, 46, 61, 92, 122, 244, 353, 706, 1403, 1412, 2806, 5612, 8119, 16238, 21533, 32476, 43066, 86132, 495259, 990518, 1981036]

約数ペア:

[(1, 1981036), (2, 990518), (4, 495259), (23, 86132), (46, 43066), (61, 32476), (92, 21533), (122, 16238), (244, 8119), (353, 5612), (706, 2806), (1403, 1412)]