9983890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{739}}^1$

素因数の和:946

約数の個数: 32

約数和(自身を含む): 20672640

約数和(自身を除く): 10688750

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 193, 386, 739, 965, 1351, 1478, 1930, 2702, 3695, 5173, 6755, 7390, 10346, 13510, 25865, 51730, 142627, 285254, 713135, 998389, 1426270, 1996778, 4991945, 9983890]

約数ペア:

[(1, 9983890), (2, 4991945), (5, 1996778), (7, 1426270), (10, 998389), (14, 713135), (35, 285254), (70, 142627), (193, 51730), (386, 25865), (739, 13510), (965, 10346), (1351, 7390), (1478, 6755), (1930, 5173), (2702, 3695)]