78155987

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2659}}^1$

素因数の和:2715

約数の個数: 32

約数和(自身を含む): 107251200

約数和(自身を除く): 29095213

約数列:

[1, 7, 13, 17, 19, 91, 119, 133, 221, 247, 323, 1547, 1729, 2261, 2659, 4199, 18613, 29393, 34567, 45203, 50521, 241969, 316421, 353647, 587639, 656773, 858857, 4113473, 4597411, 6011999, 11165141, 78155987]

約数ペア:

[(1, 78155987), (7, 11165141), (13, 6011999), (17, 4597411), (19, 4113473), (91, 858857), (119, 656773), (133, 587639), (221, 353647), (247, 316421), (323, 241969), (1547, 50521), (1729, 45203), (2261, 34567), (2659, 29393), (4199, 18613)]