2783259479

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{11257}}^1$

素因数の和:11320

約数の個数: 48

約数和(自身を含む): 3955610880

約数和(自身を除く): 1172351401

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 169, 209, 247, 1001, 1183, 1463, 1729, 1859, 2717, 3211, 11257, 13013, 19019, 22477, 35321, 78799, 123827, 146341, 213883, 247247, 866789, 1024387, 1497181, 1609751, 1902433, 2352713, 2780479, 11268257, 13317031, 16468991, 19463353, 20926763, 30585269, 36146227, 146487341, 214096883, 253023589, 397608497, 2783259479]

約数ペア:

[(1, 2783259479), (7, 397608497), (11, 253023589), (13, 214096883), (19, 146487341), (77, 36146227), (91, 30585269), (133, 20926763), (143, 19463353), (169, 16468991), (209, 13317031), (247, 11268257), (1001, 2780479), (1183, 2352713), (1463, 1902433), (1729, 1609751), (1859, 1497181), (2717, 1024387), (3211, 866789), (11257, 247247), (13013, 213883), (19019, 146341), (22477, 123827), (35321, 78799)]