5640047

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 7004160

約数和(自身を除く): 1364113

約数列:

[1, 7, 31, 47, 49, 79, 217, 329, 553, 1457, 1519, 2303, 2449, 3713, 3871, 10199, 17143, 25991, 71393, 115103, 120001, 181937, 805721, 5640047]

約数ペア:

[(1, 5640047), (7, 805721), (31, 181937), (47, 120001), (49, 115103), (79, 71393), (217, 25991), (329, 17143), (553, 10199), (1457, 3871), (1519, 3713), (2303, 2449)]