49731409

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 68217856

約数和(自身を除く): 18486447

約数列:

[1, 7, 13, 17, 31, 61, 91, 119, 217, 221, 289, 403, 427, 527, 793, 1037, 1547, 1891, 2023, 2821, 3689, 3757, 5551, 6851, 7259, 8959, 13237, 13481, 17629, 24583, 26299, 32147, 47957, 62713, 94367, 116467, 123403, 172081, 225029, 229177, 417911, 546499, 815269, 1604239, 2925377, 3825493, 7104487, 49731409]

約数ペア:

[(1, 49731409), (7, 7104487), (13, 3825493), (17, 2925377), (31, 1604239), (61, 815269), (91, 546499), (119, 417911), (217, 229177), (221, 225029), (289, 172081), (403, 123403), (427, 116467), (527, 94367), (793, 62713), (1037, 47957), (1547, 32147), (1891, 26299), (2023, 24583), (2821, 17629), (3689, 13481), (3757, 13237), (5551, 8959), (6851, 7259)]