431136324

素因数分解:

$2^2\times 3^3\times {\mathrm{1997}}^1\times {\mathrm{1999}}^1$

素因数の和:4009

約数の個数: 48

約数和(自身を含む): 1118880000

約数和(自身を除く): 687743676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 1997, 1999, 3994, 3998, 5991, 5997, 7988, 7996, 11982, 11994, 17973, 17991, 23964, 23988, 35946, 35982, 53919, 53973, 71892, 71964, 107838, 107946, 215676, 215892, 3992003, 7984006, 11976009, 15968012, 23952018, 35928027, 47904036, 71856054, 107784081, 143712108, 215568162, 431136324]

約数ペア:

[(1, 431136324), (2, 215568162), (3, 143712108), (4, 107784081), (6, 71856054), (9, 47904036), (12, 35928027), (18, 23952018), (27, 15968012), (36, 11976009), (54, 7984006), (108, 3992003), (1997, 215892), (1999, 215676), (3994, 107946), (3998, 107838), (5991, 71964), (5997, 71892), (7988, 53973), (7996, 53919), (11982, 35982), (11994, 35946), (17973, 23988), (17991, 23964)]