9781428.00000000

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{32401}}^1$

素因数の和:32495

約数の個数: 24

約数和(自身を含む): 152419008

約数和(自身を除く): 77119084

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 32401, 64802, 129604, 226807, 453614, 907228, 2689283, 5378566, 10757132, 18824981, 37649962, 75299924]

約数ペア:

[(1, 75299924), (2, 37649962), (4, 18824981), (7, 10757132), (14, 5378566), (28, 2689283), (83, 907228), (166, 453614), (332, 226807), (581, 129604), (1162, 64802), (2324, 32401)]