2586857

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 3370752

約数和(自身を除く): 783895

約数列:

[1, 7, 13, 31, 49, 91, 131, 217, 403, 637, 917, 1519, 1703, 2821, 4061, 6419, 11921, 19747, 28427, 52793, 83447, 198989, 369551, 2586857]

約数ペア:

[(1, 2586857), (7, 369551), (13, 198989), (31, 83447), (49, 52793), (91, 28427), (131, 19747), (217, 11921), (403, 6419), (637, 4061), (917, 2821), (1519, 1703)]