40294709

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^2$

素因数の和:166

約数の個数: 36

約数和(自身を含む): 54339012

約数和(自身を除く): 14044303

約数列:

[1, 7, 13, 17, 49, 61, 91, 119, 221, 427, 637, 793, 833, 1037, 1547, 2989, 3721, 5551, 7259, 10829, 13481, 26047, 38857, 48373, 50813, 63257, 94367, 182329, 338611, 442799, 660569, 822341, 2370277, 3099593, 5756387, 40294709]

約数ペア:

[(1, 40294709), (7, 5756387), (13, 3099593), (17, 2370277), (49, 822341), (61, 660569), (91, 442799), (119, 338611), (221, 182329), (427, 94367), (637, 63257), (793, 50813), (833, 48373), (1037, 38857), (1547, 26047), (2989, 13481), (3721, 10829), (5551, 7259)]