40498913

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 53996544

約数和(自身を除く): 13497631

約数列:

[1, 7, 13, 17, 47, 91, 119, 221, 329, 557, 611, 799, 1547, 3899, 4277, 5593, 7241, 9469, 10387, 26179, 50687, 66283, 72709, 123097, 183253, 340327, 445043, 861679, 2382289, 3115301, 5785559, 40498913]

約数ペア:

[(1, 40498913), (7, 5785559), (13, 3115301), (17, 2382289), (47, 861679), (91, 445043), (119, 340327), (221, 183253), (329, 123097), (557, 72709), (611, 66283), (799, 50687), (1547, 26179), (3899, 10387), (4277, 9469), (5593, 7241)]