127712144

素因数分解:

$2^4\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1997}}^1$

素因数の和:2583

約数の個数: 40

約数和(自身を含む): 283428288

約数和(自身を除く): 155716144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 571, 1142, 1997, 2284, 3994, 3997, 4568, 7988, 7994, 9136, 13979, 15976, 15988, 27958, 31952, 31976, 55916, 63952, 111832, 223664, 1140287, 2280574, 4561148, 7982009, 9122296, 15964018, 18244592, 31928036, 63856072, 127712144]

約数ペア:

[(1, 127712144), (2, 63856072), (4, 31928036), (7, 18244592), (8, 15964018), (14, 9122296), (16, 7982009), (28, 4561148), (56, 2280574), (112, 1140287), (571, 223664), (1142, 111832), (1997, 63952), (2284, 55916), (3994, 31976), (3997, 31952), (4568, 27958), (7988, 15988), (7994, 15976), (9136, 13979)]