3990465968

素因数分解:

$2^4\times {\mathrm{1259}}^1\times {\mathrm{198097}}^1$

素因数の和:199364

約数の個数: 20

約数和(自身を含む): 7737707880

約数和(自身を除く): 3747241912

約数列:

[1, 2, 4, 8, 16, 1259, 2518, 5036, 10072, 20144, 198097, 396194, 792388, 1584776, 3169552, 249404123, 498808246, 997616492, 1995232984, 3990465968]

約数ペア:

[(1, 3990465968), (2, 1995232984), (4, 997616492), (8, 498808246), (16, 249404123), (1259, 3169552), (2518, 1584776), (5036, 792388), (10072, 396194), (20144, 198097)]