395443447

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 487424000

約数和(自身を除く): 91980553

約数列:

[1, 7, 19, 67, 133, 199, 223, 469, 1273, 1393, 1561, 3781, 4237, 8911, 13333, 14941, 26467, 29659, 44377, 93331, 104587, 253327, 283879, 310639, 843163, 1773289, 1987153, 2973259, 5902141, 20812813, 56491921, 395443447]

約数ペア:

[(1, 395443447), (7, 56491921), (19, 20812813), (67, 5902141), (133, 2973259), (199, 1987153), (223, 1773289), (469, 843163), (1273, 310639), (1393, 283879), (1561, 253327), (3781, 104587), (4237, 93331), (8911, 44377), (13333, 29659), (14941, 26467)]