26999791

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 36384768

約数和(自身を除く): 9384977

約数列:

[1, 7, 13, 17, 31, 91, 119, 217, 221, 403, 527, 563, 1547, 2821, 3689, 3941, 6851, 7319, 9571, 17453, 47957, 51233, 66997, 122171, 124423, 226889, 296701, 870961, 1588223, 2076907, 3857113, 26999791]

約数ペア:

[(1, 26999791), (7, 3857113), (13, 2076907), (17, 1588223), (31, 870961), (91, 296701), (119, 226889), (217, 124423), (221, 122171), (403, 66997), (527, 51233), (563, 47957), (1547, 17453), (2821, 9571), (3689, 7319), (3941, 6851)]