51221716

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1291}}^1$

素因数の和:1424

約数の個数: 48

約数和(自身を含む): 111422080

約数和(自身を除く): 60200364

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 109, 182, 218, 364, 436, 763, 1291, 1417, 1526, 2582, 2834, 3052, 5164, 5668, 9037, 9919, 16783, 18074, 19838, 33566, 36148, 39676, 67132, 117481, 140719, 234962, 281438, 469924, 562876, 985033, 1829347, 1970066, 3658694, 3940132, 7317388, 12805429, 25610858, 51221716]

約数ペア:

[(1, 51221716), (2, 25610858), (4, 12805429), (7, 7317388), (13, 3940132), (14, 3658694), (26, 1970066), (28, 1829347), (52, 985033), (91, 562876), (109, 469924), (182, 281438), (218, 234962), (364, 140719), (436, 117481), (763, 67132), (1291, 39676), (1417, 36148), (1526, 33566), (2582, 19838), (2834, 18074), (3052, 16783), (5164, 9919), (5668, 9037)]