77781613

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 102380544

約数和(自身を除く): 24598931

約数列:

[1, 7, 13, 17, 91, 119, 137, 221, 367, 959, 1547, 1781, 2329, 2569, 4771, 6239, 12467, 16303, 30277, 33397, 43673, 50279, 81107, 211939, 351953, 567749, 653627, 854743, 4575389, 5983201, 11111659, 77781613]

約数ペア:

[(1, 77781613), (7, 11111659), (13, 5983201), (17, 4575389), (91, 854743), (119, 653627), (137, 567749), (221, 351953), (367, 211939), (959, 81107), (1547, 50279), (1781, 43673), (2329, 33397), (2569, 30277), (4771, 16303), (6239, 12467)]