77876981

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 99525888

約数和(自身を除く): 21648907

約数列:

[1, 7, 13, 53, 67, 91, 241, 371, 469, 689, 871, 1687, 3133, 3551, 4823, 6097, 12773, 16147, 21931, 24857, 46163, 89411, 113029, 166049, 209911, 323141, 855791, 1162343, 1469377, 5990537, 11125283, 77876981]

約数ペア:

[(1, 77876981), (7, 11125283), (13, 5990537), (53, 1469377), (67, 1162343), (91, 855791), (241, 323141), (371, 209911), (469, 166049), (689, 113029), (871, 89411), (1687, 46163), (3133, 24857), (3551, 21931), (4823, 16147), (6097, 12773)]