128519864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{85909}}^1$

素因数の和:85943

約数の個数: 32

約数和(自身を含む): 278348400

約数和(自身を除く): 149828536

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 85909, 171818, 343636, 687272, 944999, 1460453, 1889998, 2920906, 3779996, 5841812, 7559992, 11683624, 16064983, 32129966, 64259932, 128519864]

約数ペア:

[(1, 128519864), (2, 64259932), (4, 32129966), (8, 16064983), (11, 11683624), (17, 7559992), (22, 5841812), (34, 3779996), (44, 2920906), (68, 1889998), (88, 1460453), (136, 944999), (187, 687272), (374, 343636), (748, 171818), (1496, 85909)]