2641541

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 24

約数和(自身を含む): 3326976

約数和(自身を除く): 685435

約数列:

[1, 7, 31, 37, 47, 49, 217, 259, 329, 1147, 1457, 1519, 1739, 1813, 2303, 8029, 10199, 12173, 53909, 56203, 71393, 85211, 377363, 2641541]

約数ペア:

[(1, 2641541), (7, 377363), (31, 85211), (37, 71393), (47, 56203), (49, 53909), (217, 12173), (259, 10199), (329, 8029), (1147, 2303), (1457, 1813), (1519, 1739)]