858486790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{997}}^1\times {\mathrm{12301}}^1$

素因数の和:13312

約数の個数: 32

約数和(自身を含む): 1767945024

約数和(自身を除く): 909458234

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 997, 1994, 4985, 6979, 9970, 12301, 13958, 24602, 34895, 61505, 69790, 86107, 123010, 172214, 430535, 861070, 12264097, 24528194, 61320485, 85848679, 122640970, 171697358, 429243395, 858486790]

約数ペア:

[(1, 858486790), (2, 429243395), (5, 171697358), (7, 122640970), (10, 85848679), (14, 61320485), (35, 24528194), (70, 12264097), (997, 861070), (1994, 430535), (4985, 172214), (6979, 123010), (9970, 86107), (12301, 69790), (13958, 61505), (24602, 34895)]